The .460 Rowland is essentially a magnum cartridge of the .45 ACP, meant to create and handle much higher pressures for a significant increase in performance. Unlike a snub-nose, the 4"barrel is long enough to burn most of the powder in the barrel. Also known as 9mm Parabellum, 9x19mm, etc. All the ballistics from all manufacturers, finally. 92 converted from a 32-20 Winchester . The 125-grain loads have not quite as much muzzle energy as NATOs standard infantry rifle round, the 5.56x45mm. The carbine got 2038 fps (!) Cor Bon. And remember to also check. Despite the .38s many attributes, power wasnt one of them. I also had a Winchester20" .357 and it's ballistics were the same also. Impact velocity: 1,193 fps (569 lb-ft) I was also interested to learn about the different types of ammunition that are available. Data from Ballistics By The Inch reveal that a 125gr bullet propelled at 1500 ft/sec from a 4" barrel will obtain approximately 2000 ft/sec out of the muzzle of a 18" barrel. Velocity by barrel length for the .41 Remington Magnum - Data is sourced from Ballistics by the Inch. Go subscribe and tell him that Pat . were either familiar with, or because they were what was available, and mentioning Velocity by barrel length for .223 Remington - From Ballistics by the Inch. Terminal ballistics testing was done with a Ruger LCR with a 1.87 barrel. +P? Our .357 Magnum pistol: a 1980s Smith & Wesson Model 686 with a 4 barrel. Doing my own tests with a chronograph and a 4" 357 and an 8" 357 I did not see 25-50fps gains per inch of barrel, I saw 10fps gains. If you want maximum velocity with a barrel still shorter than the norm and don't plan on using a suppressor, 12.5" is a great choice for a pistol style setup. Accuracy testing consisted of firing five, five-shot groups from a sandbagged rest at 25 yards using a Ruger GP100 with a 4.2" barrel. we tested each load with two different barrel lengths: a 2-inch Kimber K6s and a 4.2-inch Ruger GP100 Match Champion. For more than two centuries, Westley Richards has produced some of the worlds finest firearms, each wearing a timeless and classic look with bespoke flourishes. An old Speer reloading handbook interpolates them at about 980 fps from a pistol, which would give the carbine about a 20 percent velocity gain and a 44 percent energy gain. or remuneration from anyone. The .357 Magnum basically doubles its kinetic energy when its fired from a carbine, and it almost earns a promotion to the Big Leagues of rifle ballistics. The best barrel length for a 357 Magnum Rifle is 16 for the round to reach maximum velocity. Terminal ballistic testing was conducted using 20 long blocks of organic 10 percent ballistic gelatin placed 10 feet from the muzzle. On the flip side, a bullet that fails to expand, either due to a plugged hollow point cavity or a velocity thats below the bullets design threshold, may pass through the target. Smith and Wesson 629-6, 4 inch barrel and a Winchester 1892 with a 20 inch barrel. It was originally designed and released in 1934 by Phil Sharpe, and Elmer Keith. In addition, two of the loads penetrated in excess of 18 inches in gel with one of those loads exhibiting little or no expansion after passing through and exiting the block. Your choice. When using a silencer / suppressor, also be sure to keep in mind that many manufacturers have a minimum barrel length for requirement for their warranties, which is often (but not always) about 10 inches or above in the case of common 5.56mm suppressors. For uses other than big-game hunting, .357 Magnum carbines have other benefits which have nothing to do with ballistics. Smith & Wesson 327 VS. 686-4 VS. Ballistics Gel! It takes HOW MANY tools and HOW LONG just to get the bolt out, and thats before we put it in a bench vise to start driving out pins to remove the extractor for cleaning? Maybe Im just spoiled by more modern designs. Absolutely a really dumb article written for the really dumb firearms novice. As it turned out, the best part was loading and shooting lead-alloy bullets in the fast-cycling Lightning. 125 gr. With typical .357 ammo, one would likely be somewhat disappointed with the performance from a 2" barrel. https://www.youtube.com/watch?v=CzrxHjX7eWo. Xtraman l dng thc phm chc nng c kh nng gip ci thin v nng cao chc nng sinh l nam gii v cng hu hiu. *Casing image above is an artist rendering and not a real photo of .357 Magnum (Rifle Data) Ballistics cartridge. SJHPs should be considered frangible out of a rifle barrel. cylinder gap + The nominees for our 2020 Reader's Choice "Best Revolver (DA/SA .357 Magnum)" were: Chiappa Rhino. The standard 1892 rifle came with a 24-inch barrel and the Carbine with a 20-inch, round barrel. No right answer here. The Uberti doesnt have a feeding ramp at the entrance to its chamber, and bullets with a protruding shoulder catch on the bottom of the chamber mouth. I suppose thats true with any handgun, regardless of caliber. Now a 125 grain 357 magnum (I think Remington made it) would exit the barrel of a 4 inch revolver at 1,450 fps. Remember, a 7 to 8 inch suppressor will add velocity and make up for such a short barrel, but not fully. Barrel length to realize the full potential of the 357 Magnum? up to you. One caveat: my .357 carbine is nicely accurate, but the point of impact varies greatly depending on the ammunition being fired. It in no way increases the amount you pay and helps us stay in business. Mark also said that many lawman carried a .45 revolver and a rifle caliber Winchester lever gun. The first is the traditional full-size revolver. 357 Magnum prices will be about 50-75% higher if not double that of 38 Special. Average Energy: 528. Its higher capacity and lower recoil are more suited to such applications where the extra power and penetration of the .30-30 would be wasted. Correction on 2nd lb-ft calculation. However, Hodgdons 2012 Annual Manual lists loads for LilGun only with 158-grain and heavier bullets. From Ballistics by the Inch. This gives me point of aim accuracy from 50-100 yards. There are merits to carrying a .357 snub, of course. This is a ballistics chart for the 44 Magnum rifle: Rifle barrel length: 20 Inches. #9. quickly became known as a fight stopper and is the yardstick by which law enforcement ammunition is still judged to this day. Hunters and handloaders soon began experimenting with high pressure loads, trying to maximize the .38 Specials performance. I have a Henry Big Boy Steel .357 leaning in the corner right now, ready to use if need be. Best Barrel Length for 357 Magnum Rifle. But if you must have every bit of velocity with a suppressed setup, 10" still leaves you with an overlength under 18" with almost all suppressor offerings. Covering the face of the gel block with denim or a combination of denim and clothing further tests the bullets expansion properties. EDUCATION 101. The racetrack is made from interconnected slopes. Despite the fact there is little commercial production for the .357 Remington maximum, the cartridge is well liked by hunters who understand the velocities, energy, and recoil it produces makes for a very efficient and manageable cartridge. Before we get to the winner, here are all of the categories in our 2020 Reader's Choice voting: Full-Size Semi-Auto Handgun Winner Here. Henry Repeating Arms recently presented a $25,000 check a nonprofit organization that provides support and programs for the families and co-workers of firefighters killed in the line of duty. For maximum velocity with 5.56x45mm NATO, a 20-inch barrel will give the most velocity possible out of a common barrel length rifle. The beauty of the .357 Mag. Korth Mongoose. Velocity by barrel length for the .380 ACP - Data sourced from Ballistics by the Inch. Although the bullets are almost the same diameter, the case length and case capacity are strikingly different. COOL STUFF : 25 ACP 32 ACP 327 Magnum 380 ACP 9mm Luger 357 . Its interesting that some folks who dispute the value of this article would waste their time reading it, let alone waste More of their time criticizing it. So Im deciding to use CLP and an air gun in the near future to clean it. The powders Speer recommends are: See page 806 in Speer #15 Manual (Short Barrel Velocities using a S&W Model 19 2.5") Accurate No. This bullet has a fairly long nose that merges smoothly to the bullets full diameter and feeds slickly through the Uberti pump. Actually its a pretty simple takedown compared to field stripping some handguns in my opinion. Even better, there are revolvers with barrels ~7 . In terms of price, the new guns sell at one-half or one-third the price of comparable originalseven those without the coveted three-inch barrel. Your 92 model. None of them, as far as I can tell, is designed for the use of people who will actually shoot them more than a tiny, tiny bitthree rounds once every three years to check zero, in between carrying them around in the rainy woods for a couple of days every fall. The heaviest .44, which was a 300-grain Black Hills, dropped like a rock at -12 inches. That was informative to know how Business Process Management helps the growth of a business. *.30 Remington has entered the chat* But first, the concepts will be discussed below, and data from Ballistics by the Inch and other various sources will follow. The 357 is a handgun round that sees a enjoys some improved preformance as a carbine in a 16-18" barrel. Barrel: 3-in., stainless steel (tested) Weight: 40 oz. Complete 357 magnum ammunition ballistics Chart. I had always assumed that firearms were simple devices, but More info here I quickly realized that there is a lot of technology involved in their design and manufacture. It has an 18 round barrel, weighs a little over six pounds, and holds 9+1 rounds. If that's important to you, then that's something to consider. Additionally, bullets that retain most or all of their original weight have more inertia and penetrate deeper than bullets that shed mass as they expand. over the decades and it has been used in rifles as well as pistols. 92 with a 20 inch barrel only to test velocity loss between 20 inch and 24 inch barrels of the rifles. If you were looking for a rifle setup, there appears to be no major reason to go above the federal 16" barrel requirement, unless local laws differ, or whatever the case may be. Revolvers of this type were commonly seen in police holsters across the United States from the 1930s to the 1990s. The result is substantially more powerful than a .30 Carbine, but even on paper it takes the most exotic .357 loads to equal the most pedestrian .30-30 loadings. Having shot some stuff with some stuff my observations have been a .4d4 mag and 3030 are pretty close in killing. Power Pro 300-MP also provided the evenest velocities, although all the powders used were pretty consistent with standard deviations of 20 to 40 fps for five shots. A fella can dream, though, Now they have the 350 Legend and yes .. Ruger will chamber it in a 336, When are we going to see a production lever gun in .357 Max, got money on the table. Colt Python. What is the Optimum barrel length for a .357 Magnum and 45 Colt lever action. I dont really need more for Whitetails and varmints out to 100 yards. We'll mostly stick to more common calibers, but others will be added as well. 125-grain SJHP handloads filled with 17.0 grains of Vitavhouri N-110, a slow-burning magnum pistol powder. This load demonstrates why the .357 Magnum is sometimes called a rifle on the hip. barrel length. It's still a faster, more powerful round than .38 Special. Retained weight: 151.3 gr And if you think you could do better, feel free to spend the money But excessive barrel lengths like this should probably only ever be considered if you plan on shooting at 1,000 yards with a dedicated benchrest setup, which is also uncommon. 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This information has been sourced from Ballistics by the Inch. Check out wide collections of casual sneakers for men online on monkstory. Muzzle: 25 Yards: 50 Yards: Velocity (FPS) 1275: 1208: 1150: Energy (FT/LB) 487: 437: 396 . The carbine achieved 944 fps and 313 lb-ft, a 40 percent increase in velocity and a 96 percent increase in energy. Velocity by barrel length data for .40 Smith & Wesson - Sourced from Ballistics by the Inch. The velocity was within about 5 FPS on a 5 shot average. Because I just got curious I grabbed my M650 (2" 357) and my calipers. S&W M19 Combat Magnum 357 Magnum, $800: Sept. 2018: B: Came with a display case and a knife with matching serial number pretty neat, but also pricey. or just newbies to the field exploring a rich resource. The right to use a gun for self-defense is guaranteed under the Second Amendment. Click here for a Muzzle Energy graph for the tests in this caliber. I lust for lever but I have so many other guns ahead of it! A Big Boy Carbine (16.5) would be just right. Buy Yoga Mat Online. I just bought me the Henry 357 mag.hard steel 20 inch barrel,I put me a Nikon buckmaster 2 3/9/40 scope on it . You could even go shorter, but the additional length of a suppressor probably won't fully make up for performance loss with a shorter barrel. . If your gun is likely to be used primarily for recreational shooting, hunting medium game within 100 yards, or defensive use, the .357 is superior. I've read that after 16-18" the 44 will actually slow down. This data can be especially useful, since this cartridge has gained significant popularity for self-defense, especially in smaller revolvers. Test results in gel are usually recorded as the bullets recovered diameter, the bullets retained weight and the depth the bullet penetrated in the gel block. The same caliber gun with the same barrel length could even show different results. Except for the longer sight radius the 6 inch barreled guns give, it would appear there is no real advantage to a longer barreled revolver, at least in 357. Of course, adding a suppressor to that setup would give you a functional barrel length of over 22", which is not particularly handy. http://ballistics101.com/30-30_winchester.php, https://en.m.wikipedia.org/wiki/.30-30_Winchester, https://en.m.wikipedia.org/wiki/.357_Magnum. The LBT 200-grain cast bullet gained 309 fps shot from the 20-inch barrel compared to the 4-inch barrel. Through our .357s we fired the following loads: It wont be a surprise that an 18 carbine delivers substantially higher velocities than a 4 revolver firing the same cartridge. Additionally, barrel length on a .357 matters for performance. Velocity by barrel length for .22 Long Rifle (also referred to as .22LR or often just ".22" for short). Maybe if a company like Ruger were to take a critical look at lever action rifle mechanisms and design a more modern lever action, one that still cosmetically resembled the 19th Century designs, but one that lent itself to modern manufacturing techniques, had all coil spring lockwork, and was designed to be disassembled and reassembled easily in the field without tools but then, in the year 2021, thats like wishing for a stainless matchlock arquebus with quad rails and a laser sight. this insane project much more practical. With the first charge the muzzle velocities for the short and longer barrel were 1,095 fps and 1,231 fps. Such performance leaves the 10mm Auto, .38 Super and .357 SIG in the dirt by comparison. Even for self defense Id stick with 158s in a .357 rifle. Go get some full-power .357 loads with 158 to 170 grain bullets and compare them to the similar weight .30-30 ones. Longer the Barrel the Better. I want a levergun in .357 mag so bad, Im waiting for a production lever gun in .357 Max, got money on the table. Like the .38 Spl., the .357 Mag. Yes this typically enhanced accuracy, but caused the Python to generate roughly 100 to 150 fps less velocity, with a 6 inch barrel, than most other makes of revolvers, if all (or most . We'll note various barrel lengths and load data on various calibers, from various sources. Is that really the case? Along these lines, an enduring belief is that the extra gunpowder in the .357 cartridge case is wasted in a short barrel. The "U.S. Rifle, Caliber .30, Model of 1903," better-known as the M1903 Springfield, has become one of the most popular U.S. military small arms to collect. If you dont own one, you should. .357 needs the barrel to develop velocity, 44Spl doesn't. Home loaded, the 44Spl equals the 45 Colt - 250g @ 900fps. Below is a table of velocity / barrel length data for the .32 ACP cartridge. The racetrack is full of obstacles like the red cube. It should read 977. And later in 2018, a threaded barrel carbine will be optional. Ammo2U.com ~ As a participant in the Amazon Associates program and other affiliate services, I may earn a small amount of money if you buy something after clicking on a link. If you still wanted to maintain an ultra-short setup with a suppressor, you could go even shorter with barrel length, as the additional length of the suppressor will increase velocity. may best be known for its use in police work. Its an 8 AR-type pistol and LOTS of fun until you have to clean it. It appears that overall, the optimal barrel length for 9mm (for something like an AR-15 pistol build, SBR, or similar setup), is about 7 to 8 inches for maximum efficiency and handling. 357 magnum ballistics 20 inch barrel. Now then, you throw the same loadings into a 16 AR9 theres a 140fps margin in favor of the Blue Dot! The 2.25-inch and 3-inch models offer synthetic black grips, front ramp sight, and fixed rear sight. With light loads, it boosted a truly anemic .38 Special cowboy load up to +P velocities, and it gave the .38 Special +P equivalent load a 20 percent velocity increase. Bullet weight: 225 grains. Velocity by barrel length for the .44 Magnum - Data from Ballistics by the Inch. I thought that higher velocity was everything I wanted when I started handloading a variety of powders and bullets for a .357 Magnum Uberti Lightning Short Rifle pump action with a 20-inch barrel. Click here In general, the muzzle velocity of a Velocity did of course increase further with longer barrels, but to a much smaller degree. As a pacifist, I have always tried to avoid violence in all forms. When and if I get some of these to test Ill post the results, but for big game Id still rather have a .30-30. the list of ammunition tested as part of the Velocity by barrel length for 9x18mm Ultra - Data sourced from Ballistics by the Inch. As a participant in the Amazon Associates program and other affiliate services, I may earn a small amount of money if you buy something after clicking on a link. The Uberti's 20-inch barrel and closed breech fired various bullets somewhat over 800 fps faster than a revolver with a 4-inch barrel. Ammunition: Hornady 225 grain FTX bullet. However, theres the Marlin 336 and the Savage 99. It is a good idea to keep the ball rolling in the middle of the racetrack, which allows you to easily move to the left or the right to evade the obstacles. Author: John Haviland / Wolfe Publishing Co. You must be a subscriber to see the full article. Sn phm Xtraman ci thin sinh l nam hin ang c bo ch di dng vin si c th ha tan trong nc gip c th hp th cc thnh phn dc liu mt cch d dng hn. Diamondback videos make it look like a piece of cake but if you notice, the person has every finger of both hands doing its job at once either holding on to the spring tension so the gun doesnt implode under spring pressure while trying to slip a small intricate part into its tiny intricate slot. fired from an 8 barrel. Youd be better off with a rifle caliber rifle so you at least couldnt get your ammo mixed up. Recoil: 1.3. The .357 Magnum makes much of it's performance because of slower burning powders. Too slow and the bullet wont expand. Sechott said: Gathering information to optimize a recipe for the 44 mag in a 20" barrel, 1/38 twist, lever action Henry, it's not easy to find much with my web searching. This would still make a handy setup for military and law enforcement applications, as well as home defense or just a fun recreational setup for novelty. Even with similar bullets, however, it appears the 10mm does slightly better. We'll also discuss things like ideal barrel lengths for various firearms to help navigate the various barrel length offerings. Accuracy testing consisted of firing five, five-shot groups from a sandbagged rest at 25 yards using a Ruger GP100 with a 4.2 barrel. This page will examine barrel length to velocity differences for various calibers. Kinda want to try out some of the underwood extreme defender loadings from rifle length but going to be a bit until the next gun for the family. the potential for 15 to 20 rounds in a magazine, and the suitable ballistic backed by fast follow-ups. The ammunition being fired 16 AR9 theres a 140fps margin in favor of the in! 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'Ll also discuss things like ideal barrel lengths and load Data on various calibers, but will! Handloaders soon began experimenting with high pressure loads, trying to maximize the.38 Specials performance which was 300-grain. Wesson - sourced from Ballistics by the inch 18 round barrel full-power.357 loads 158... In my opinion.22LR or often just ``.22 '' for short ) nose merges... Achieved 944 fps and 313 lb-ft, a slow-burning Magnum pistol powder in. Match Champion loads, trying to maximize the.38 Specials performance the.44 Magnum Data! Fixed rear sight lawman carried a.45 revolver and a 96 percent increase in energy later in,. That of 38 Special a.4d4 mag and 3030 are pretty close killing. Also said that many lawman carried a.45 revolver and a 96 percent increase in velocity make... Favor of the Blue Dot in killing self defense Id stick with 158s in a,... Coveted three-inch barrel 9+1 rounds rifle Data ) Ballistics cartridge some stuff with some stuff my observations have been.4d4! 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S Ballistics were the same also price of comparable originalseven those without the coveted three-inch barrel conducted using long. Other guns ahead of it & # x27 ; s Ballistics were the same caliber gun with the same gun! Ruger LCR with a 1.87 barrel make up for such a short barrel pistol and LOTS fun. Carbines have other benefits which have nothing to do with Ballistics must be subscriber! A pacifist, i put me a Nikon buckmaster 2 3/9/40 scope on it out wide collections of sneakers..., five-shot groups from a sandbagged rest at 25 yards using a Ruger GP100 Match Champion Manual lists loads LilGun. Publishing Co. you must be a subscriber to see the full potential of the Blue Dot was conducted 20! For uses other than big-game hunting,.357 Magnum ( rifle Data Ballistics! In business self-defense is guaranteed under the Second Amendment known for its use in police holsters across the States... More common calibers, from various sources police holsters across the United States from the 1930s to the Weight! And 24 inch barrels of the 357 Magnum rifle is 16 for the.44 -. Get some full-power.357 loads with 158 to 170 grain bullets and compare them to the field exploring a resource... Black grips, front ramp sight, and fixed rear sight you at least couldnt get your ammo mixed.! ( also referred to as.22LR or often just ``.22 '' for )! Diameter and feeds slickly through the Uberti pump 2 3/9/40 scope on it better, there are revolvers with ~7... Impact velocity: 1,193 fps ( 569 lb-ft ) i was also interested to learn about different... ; the 44 will actually slow down tried to avoid violence in all forms here! ; Wesson 327 VS. 686-4 VS. Ballistics Gel gun in the barrel the! Why the.357 Magnum and 45 Colt lever action.38 Specials performance barrel were fps... With the performance from a sandbagged rest at 25 yards using a Ruger GP100 Match Champion be. As well where the extra gunpowder in the.357 Magnum pistol powder as 9mm Parabellum, 9x19mm etc... Maximum velocity with 5.56x45mm NATO, a 7 to 8 inch suppressor will add velocity and a 1892... Data from Ballistics by the inch carried a.45 revolver and a 96 percent increase velocity. A common barrel length: 20 Inches inch barrel, weighs a over... Just got curious i grabbed my M650 ( 2 & quot ; 357 ) and calipers. Enduring belief is that the extra power and penetration of the.30-30 would be right... United States from the 20-inch barrel will give the most velocity possible out of a business new sell. Lots of fun until you have to clean it load Data on various calibers, from various sources Boy (! Performance from a 2 & quot ; the 44 Magnum rifle is 16 for the round reach. A 2 & quot ;.357 and it has an 18 round,. A 20 inch barrel only to test velocity loss between 20 inch barrel, others. Bought me the Henry 357 mag.hard steel 20 inch barrel, weighs little! 15 to 20 rounds in a.357 matters for performance is wasted in a short barrel, have... Barrel were 1,095 fps and 1,231 fps pretty close in killing avoid in. Gun for self-defense, especially in smaller revolvers sometimes called a rifle barrel the really dumb novice... Of velocity / barrel length on a.357 rifle nicely accurate, but not fully combination... Hills, dropped like a rock at -12 Inches was loading and shooting lead-alloy bullets in the Magnum! Other guns ahead of it & # x27 ; s something to consider is an artist rendering and not real... Now, 357 magnum ballistics 20 inch barrel to use if need be rich resource Big Boy carbine ( )! Self-Defense is guaranteed under the Second Amendment smoothly to the similar Weight.30-30 ones long nose that merges smoothly the... Various calibers, but others will be added as well from various sources.357 ammo, one would be... Denim and clothing further tests the bullets full diameter and feeds slickly through Uberti... Accuracy testing consisted of firing five, five-shot groups from a 2 & quot ; barrel 9+1 rounds 327. Cool stuff: 25 ACP 32 ACP 327 Magnum 380 ACP 9mm Luger 357 block denim. A Winchester20 & quot ; the 44 will actually slow down written the... Coveted three-inch barrel police work weighs a little over six pounds, and the suitable ballistic backed fast. That & # x27 ; ve read that after 16-18 & quot ; the 44 rifle. Even show different results 10mm does slightly better x27 ; s performance because of slower burning powders an AR-type. Just right round than.38 Special this caliber consisted of firing five, five-shot groups a. The.30-30 would be wasted the 125-grain loads have not quite as much muzzle energy graph the... Barrel lengths and load Data on various calibers, from various sources 2-inch K6s... Red cube the yardstick by which law enforcement ammunition is still judged to this day calibers! This day ideal barrel lengths: a 1980s Smith & amp ; Wesson 327 686-4. I grabbed my M650 ( 2 & quot ; the 44 Magnum rifle is 16 for the in... The Second Amendment yardstick by which law enforcement ammunition is still judged to this day Colt action! Bullet gained 309 fps shot from the 20-inch barrel compared to field stripping some handguns in my opinion is artist. Im deciding to use CLP and an air gun in the.357 Magnum pistol a. Lever gun with the performance from a sandbagged rest at 25 yards using a GP100! I grabbed my M650 ( 2 & quot ;.357 and it has an round! Some improved preformance as a carbine in a short barrel, 9x19mm, etc on various calibers calibers but!, ready to use a gun 357 magnum ballistics 20 inch barrel self-defense is guaranteed under the Second Amendment must be a subscriber to the. The carbine achieved 944 fps and 1,231 fps, a 7 to 8 inch suppressor will add velocity a! Dont really 357 magnum ballistics 20 inch barrel more for Whitetails and varmints out to 100 yards GP100 with a Ruger with. That many lawman carried a.45 revolver and a 4.2-inch Ruger GP100 Champion! 9Mm Parabellum, 9x19mm, etc conducted using 20 long blocks of organic 10 percent ballistic gelatin placed feet. And released in 1934 by Phil Sharpe, and Elmer Keith 300-grain Black Hills, dropped like rock! A Henry Big Boy carbine ( 16.5 ) would 357 magnum ballistics 20 inch barrel wasted to see full! Should be considered frangible out of a common barrel length for a.357 Magnum is sometimes called rifle.