Tests on barrel length/velocity are often very limited in scope and overall add up to simple guesses. Nice, thanks for the pointer. 117 to be precise, and that’s just round one. Sale Price: $147.25 . $105.00. (I don't know if I'm right). It's assumed barrel length and velocity walk hand in hand, but in reality, there are many other variables at play. 0 Review . The 5.56x45mm NATO began life […] Some police agencies have adopted .357 SIG to replace their .357 Magnum revolvers, praising its accuracy and performance. It is worth mentioning that a longer barrel is not inherently more accurate than a short barrel. 09-24-06, 21:22 #2. 26 inch barrel: Load #1 – 1165 Load #2 – 1300 Load #3 – 1527. Does anyone know what the optimal barrel length is for 9mm rounds for max velocity? lower parts and kits; triggers; grips; stocks - pistol braces. 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! So that's the barrel length the cartridge was designed for. of muzzle energy. Honestly, I was surprised with these results. Joined Aug 2016; Posts 20; EE Offline; CT, USA. At each barrel length, the rifle was fired from a front rest with rear bags, with five rounds of each type of ammunition. 9mm Luger (9x19mm) pistol cartridge bullets also have very poor ballistic coefficients. Say, standard 115gr FMJ rounds for start. 1/2 x 28 tpi; 1/2 x 36 tpi; 5/8 x 24 tpi; thread converters; ar-15 lower parts. 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. 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… 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. It appears that the diminishing returns (for 9mm) start at a shorter barrel length for the heavier bullets. At least not enough to worry about. Interesting. Barrel length does affect accuracy, muzzle velocity and delivered energy when testing various classes of rimfire ammo. 4.5" 9MM AR 15 Barrel, Modern Series 0 Review . I … What’s actually happening is that the ballistic curve of the bullet becomes flatter as velocity increases. 9" in ballistic gelatin. [ARCHIVED THREAD] - 9mm ballistics out of a carbine-length barrel. WOW, not only is that a mouthful, it is also very impressive! Does anyone know what the optimal barrel length is for 9mm rounds for max velocity? The wounding potential of projectiles is a complex matter. I'm thinking about the most popular/common ammunition: 22LR, 9mm, 556/223, and 45. For science. Ballistics question: any chart about range AND accuracy depending on ammunition and barrel length ? For 9mm Barrel Length Ballistics, we will offer many different products at different prices for you to choose. Close . 7 Responses to “9mm performance with barrel length” Marc Says: August 30th, 2006 at 12:53 am. It uses a small pistol primer whereas the 10mm cartridge uses a large pistol primer. For those curious, 18" in water would be approx. But other variables tend to play a major role as well. The ballistics by the inch guy ... You get into diminishing returns after that. We suspect the inclusion of a rifle-length barrel would also have yielded some interesting results. Blowback 6 items; Finish. Penetration was reduced due to the larger frontal bullet face that was pushing through the gel. The flight path of a bullet includes: travel down the barrel, path through the air, and path through a target. Look to see the initial pressure rise. I wonder how whoever got all those data points. Standard Mischief Says: August 30th, 2006 at 1:34 am. Because we target all types of customer on the market. all handguards; accessories; drop in; 4"-5" pistol; 7" carbine; 10" specter; 11"-13" rifle; 15"+ ext rifle; gas blocks / tubes; muzzle devices. 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). I know different loads could change optimal barrel length but anyone have a ballpark? That's about 4 3/4 inches. 3. 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. The velocity loss in this case was 74 fps per-inch of barrel lost to the tested 24-inch barrel. I was just wondering if it was in SBR range or if the 16" was getting close. 0 Review ... Add to Cart ; 18” 6MM ARC SPR Rifle Length W/15” Atlas R-One M-LOK Handguard Complete Upper $594.00. 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 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. Ballistics question: any chart about range AND accuracy depending on ammunition and barrel length ? It's not hugely scientific, but this is a Reddit post, not a published paper ;) Ballistics. I’d recommend the 11” barrel as that will be … Barrel Length – 4.02 in. Ballistic Gel Penetration (10% Gel) – 22 inches 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. The term ballistics refers to the science of the travel of a projectile in flight. The original 9mm Parabellum Pistol, the P-08, had a 120mm barrel. Ballistic data was gathered using a Magnetospeed barrel mounted ballistic chronograph. I hope you enjoy the video and thanks for watching! Results are in inches/foot-pounds of energy and based on a 100-yard zero with the scope 1.5 inches above the bore. Ballistic Advantage AR-15 16" 9MM Barrel 1:10 4150 - 1/2x36 This item is currently on order MSRP: $155.00 . That’s pretty neat. Underwood Ammo 9mm +P 147 Grain Jacketed Hollow Point. Both tested rounds penetrated well beyond the 12" penetration hurdle that seems to be the expected minimum penetration depth. You will notice that in each case, the longer the barrel, the higher the velocity. I suppose it was done with one of those strain gauge thingys. Posted: 2/13/2017 7:39:16 PM EST Something just piqued my curiosity. I was just wondering if it was in SBR … S&W then teamed with Winchester to produce a new cartridge, the .40 S&W. 20 inch barrel: Load #1 – 1103 fps Load #2 – 1242 Load #3 – 1465. Thanks in advance. A longer barrel gives you the opportunity to benefit more from a heavier grain. bolt carrier groups; charging handles; handguards . ARCHIVED; BG213. Adding another 1.5" of barrel length with the longer barreled Glock allowed for higher velocity and greater expansion. Less case capacity under a heavier bullet? You can be assured of this. 45-Bravo. 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). What Does Barrel Length Affect: Concerning accuracy, all lengths proved accurate to a certain exent when match with the right ammo. Out of Stock. Because of this, you perceive that it’s easier to hit a target when you have more velocity. But 124s will be fine too. Posted by 7 years ago. 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. For science. *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). I know different loads could change optimal barrel length but anyone have a ballpark? Average velocity from the Blitzking averaged 2532 fps and 570ft/lbs. 36 inch barrel: Load #1 – 1203 Load #2 – 1375 Load #3 – 1602. I have to wonder how much the burn rate of the powders (not determined by those tests) affected the results. 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. In other words, you need less sight adjustment or holdover in order to make a shot. 9mm continues to gain in velocity up until 16” or so. In every case, the nominal barrel length was three inches or shorter measured in the industry-standard fashion. Say, standard 115gr FMJ rounds for start. The percentages tell the story more plainly. lb of muzzle energy which penetrates 18" in water jugs and expands to .88". Glock Gen 4 Model 19 9mm. Archived. Intrinsic accuracy is a matter of quality (and to a lesser extent contour), not length. Out of stock ; 11" 9MM Straight Profile Barrel, Modern Series ... Gas System Length. 108thMP said: Hello, folks. I’d recommend going with 147s from a carbine. Average velocity and standard deviation was logged for each round. Reason: Both the 9mm and .45 are great calibers for everyday carry, and both offer very good terminal ballistics for stopping power. JoeBob dun saved you $7.75! 9mm barrels; bcg's / charging handles. Barrel length, accuracy and ballistics. Today on Kentucky Ballistics we perform a ballistic gel test with 9mm, 357 Sig, 10mm and 5.7x28mm. It was the most diminished round tested compared to the full-length barrel. Some history of the 5.56 to begin with. They range from high-end to mid-range. 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. However that was over a century ago, powder, bullet weight and construction, and barrel designs have all changed since then. 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. 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