Say, standard 115gr FMJ rounds for start. Today on Kentucky Ballistics we perform a ballistic gel test with 9mm, 357 Sig, 10mm and 5.7x28mm. It appears that the diminishing returns (for 9mm) start at a shorter barrel length for the heavier bullets. Say, standard 115gr FMJ rounds for start. I wonder how whoever got all those data points. Posted: 2/13/2017 7:39:16 PM EST Something just piqued my curiosity. I'm using figures from Wikipedia, which are usually taken from a gun of typical barrel length for that cartridge. The original 9mm Parabellum Pistol, the P-08, had a 120mm barrel. Standard Mischief Says: August 30th, 2006 at 1:34 am. $105.00. I’d recommend the 11” barrel as that will be … Reason: Both the 9mm and .45 are great calibers for everyday carry, and both offer very good terminal ballistics for stopping power. Glock Gen 4 Model 19 9mm. It's assumed barrel length and velocity walk hand in hand, but in reality, there are many other variables at play. 9" in ballistic gelatin. Because we target all types of customer on the market. At least not enough to worry about. Adding another 1.5" of barrel length with the longer barreled Glock allowed for higher velocity and greater expansion. Because of this, you perceive that it’s easier to hit a target when you have more velocity. I know different loads could change optimal barrel length but anyone have a ballpark? Average velocity and standard deviation was logged for each round. all handguards; accessories; drop in; 4"-5" pistol; 7" carbine; 10" specter; 11"-13" rifle; 15"+ ext rifle; gas blocks / tubes; muzzle devices. I'm thinking about the most popular/common ammunition: 22LR, 9mm, 556/223, and 45. In every case, the nominal barrel length was three inches or shorter measured in the industry-standard fashion. That’s pretty neat. (I don't know if I'm right). Out of stock ; 11" 9MM Straight Profile Barrel, Modern Series ... Gas System Length. At each barrel length, the rifle was fired from a front rest with rear bags, with five rounds of each type of ammunition. Ballistic Advantage AR-15 16" 9MM Barrel 1:10 4150 - 1/2x36 This item is currently on order MSRP: $155.00 . For science. JoeBob dun saved you $7.75! 9mm barrels; bcg's / charging handles. Barrel Length – 4.02 in. You will notice that in each case, the longer the barrel, the higher the velocity. of muzzle energy. bolt carrier groups; charging handles; handguards . Muzzle Velocity Shot 1 – 1125 fps Shot 2 – 1072 fps Shot 3 – 1090 fps Shot 4 – 1094 fps Shot 5 – 1073 fps Average – 1090 fps Muzzle Energy – 388 ft. lbs. So that's the barrel length the cartridge was designed for. It was the most diminished round tested compared to the full-length barrel. Intrinsic accuracy is a matter of quality (and to a lesser extent contour), not length. What Does Barrel Length Affect: Concerning accuracy, all lengths proved accurate to a certain exent when match with the right ammo. 36 inch barrel: Load #1 – 1203 Load #2 – 1375 Load #3 – 1602. WOW, not only is that a mouthful, it is also very impressive! Average velocity from the Blitzking averaged 2532 fps and 570ft/lbs. Archived. The .357 fares much better out of a rifle, for a 125 grain Federal JHP round hits 2015 fps out of a 16 inch barrel. You can be assured of this. Ballistic Advantage AR-15 8.5" 300 BLK 1:7 Barrel Pistol-Length 4150 This item is currently on order ... JoeBob dun saved you $7.75! Test barrel length: 4 inches (100 mm) ... (11.7 g) JHP bullet to produce ballistic performance identical to the FBI's reduced-velocity 10mm cartridge. I suppose it was done with one of those strain gauge thingys. 26 inch barrel: Load #1 – 1165 Load #2 – 1300 Load #3 – 1527. I know different loads could change optimal barrel length but anyone have a ballpark? But other variables tend to play a major role as well. Less case capacity under a heavier bullet? The ballistics by the inch guy ... You get into diminishing returns after that. 3. Ballistic Gel Penetration (10% Gel) – 22 inches ARCHIVED; BG213. For those curious, 18" in water would be approx. Sale Price: $147.25 . 108thMP said: Hello, folks. But 124s will be fine too. I hope you enjoy the video and thanks for watching! When fired out of a typical semi-automatic pistol barrel, .357 SIG is intended to replicate the performance of a .357 Magnum revolver of similar barrel length. 4.5" 9MM AR 15 Barrel, Modern Series 0 Review . Joined Aug 2016; Posts 20; EE Offline; CT, USA. Barrel length does affect accuracy, muzzle velocity and delivered energy when testing various classes of rimfire ammo. They range from high-end to mid-range. The two test guns we used for .22 LR were a Smith & Wesson 43C snub nose revolver with a 1.9-inch barrel and a Ruger Mark IV with a 4.4-inch barrel (rounded to 2″ and 4″ respectively on the chart below). Some history of the 5.56 to begin with. It's not hugely scientific, but this is a Reddit post, not a published paper ;) It is worth mentioning that a longer barrel is not inherently more accurate than a short barrel. The wounding potential of projectiles is a complex matter. 45-Bravo. 8.3" 9MM Straight Profile Barrel, Modern Series $115.00 . For science. After all, 9mm is a .35 caliber round (.0355 inch diameter bullet), nearly the same diameter as the .357 Magnum (0.357 inch diameter bullet). Interesting. Where to purchase 9mm Ballistics Rifle Barrel And Barrel Length Hunting Rifle You can order 9mm Ballistics Rifle Barrel And Barrel Length Hunting Rifle after ch Barrel length, accuracy and ballistics. That's about 4 3/4 inches. Does anyone know what the optimal barrel length is for 9mm rounds for max velocity? Results appear in the charts below for .380 ACP, 9mm, .40 S&W, and .45 ACP Project Summary Over the last few months, I’ve been working with the rest of the Lucky Gunner team on another one of our epic experiments, which we’re proud to finally unveil: ballistics gelatin testing for over 100 self-defense handgun ammunition loads. I’d recommend going with 147s from a carbine. However that was over a century ago, powder, bullet weight and construction, and barrel designs have all changed since then. Ballistics. What You Need To Know About Barrel Length And Velocity: The assumed 25 fps velocity increase per inch of barrel, in most cases, proves a wive's tale. lower parts and kits; triggers; grips; stocks - pistol braces. 0 Review ... Add to Cart ; 18” 6MM ARC SPR Rifle Length W/15” Atlas R-One M-LOK Handguard Complete Upper $594.00. 1/2 x 28 tpi; 1/2 x 36 tpi; 5/8 x 24 tpi; thread converters; ar-15 lower parts. Nice, thanks for the pointer. In other words, you need less sight adjustment or holdover in order to make a shot. I have to wonder how much the burn rate of the powders (not determined by those tests) affected the results. I was just wondering if it was in SBR range or if the 16" was getting close. 2,540 Posts #2 • Feb 5, 2019. Here's an example of some ballistics plugged into Hornadys ballistic calculator using data off of Short Barrel Shepherds blog. Underwood Ammo 9mm +P 147 Grain Jacketed Hollow Point. The term ballistics refers to the science of the travel of a projectile in flight. Both tested rounds penetrated well beyond the 12" penetration hurdle that seems to be the expected minimum penetration depth. Tests on barrel length/velocity are often very limited in scope and overall add up to simple guesses. [ARCHIVED THREAD] - 9mm ballistics out of a carbine-length barrel. S&W then teamed with Winchester to produce a new cartridge, the .40 S&W. 117 to be precise, and that’s just round one. Close . A longer barrel gives you the opportunity to benefit more from a heavier grain. Look to see the initial pressure rise. Results are in inches/foot-pounds of energy and based on a 100-yard zero with the scope 1.5 inches above the bore. 9mm continues to gain in velocity up until 16” or so. lb of muzzle energy which penetrates 18" in water jugs and expands to .88". 09-24-06, 21:22 #2. The percentages tell the story more plainly. The 5.56x45mm NATO began life […] Ballistics question: any chart about range AND accuracy depending on ammunition and barrel length ? Penetration was reduced due to the larger frontal bullet face that was pushing through the gel. It uses a small pistol primer whereas the 10mm cartridge uses a large pistol primer. I don't have numbers comparing both 9mm and .408 Chey Tac out of the same length barrel, so I can't really do that. Posted by 7 years ago. Blowback 6 items; Finish. 7 Responses to “9mm performance with barrel length” Marc Says: August 30th, 2006 at 12:53 am. Some police agencies have adopted .357 SIG to replace their .357 Magnum revolvers, praising its accuracy and performance. Thanks in advance. For 9mm Barrel Length Ballistics, we will offer many different products at different prices for you to choose. What’s actually happening is that the ballistic curve of the bullet becomes flatter as velocity increases. The velocity loss in this case was 74 fps per-inch of barrel lost to the tested 24-inch barrel. 5.56/.223 ballistic test carbine vs SBR I have been working on a a few projects for Barnes Precision Machine, one of which was a ballistic test for a common barrel length for SBR and compare that to the AR-15 carbine 16″ barrel. I was just wondering if it was in SBR … We suspect the inclusion of a rifle-length barrel would also have yielded some interesting results. *Calculations are estimates using Hornady’s on-line ballistic calculator and adjusted by the company’s estimate of between 25 and 35 fps loss per inch of shortened barrel length (30 fps subtracted per inch for the purposes of this chart). The flight path of a bullet includes: travel down the barrel, path through the air, and path through a target. Honestly, I was surprised with these results. Does anyone know what the optimal barrel length is for 9mm rounds for max velocity? 0 Review . Barrel length doesn’t affect the mechanical accuracy of your rifle. The velocities of 9mm Parabellum we are all familiar with are based on a pistol-length barrel (wikipedia article says 15cm), but how would it change coming out of a much longer barrel… Ballistics question: any chart about range AND accuracy depending on ammunition and barrel length ? Ballistic data was gathered using a Magnetospeed barrel mounted ballistic chronograph. The test case is a 6.75" barrel shooting barnes TAC-TX bullets (BAllistic Coefficient is .289), the average velocity was 1860, zero function issues. 9mm Luger (9x19mm) pistol cartridge bullets also have very poor ballistic coefficients. 20 inch barrel: Load #1 – 1103 fps Load #2 – 1242 Load #3 – 1465. Out of Stock. I … Penetration depth minimum penetration depth each case, the nominal barrel length affect Concerning! T affect the mechanical accuracy of your Rifle MSRP: $ 155.00 barreled Glock allowed for higher velocity and expansion! 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