Look to see the initial pressure rise. Less case capacity under a heavier bullet? Underwood Ammo 9mm +P 147 Grain Jacketed Hollow Point. It's not hugely scientific, but this is a Reddit post, not a published paper ;) lower parts and kits; triggers; grips; stocks - pistol braces. The 5.56x45mm NATO began life […] At least not enough to worry about. 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… Does anyone know what the optimal barrel length is for 9mm rounds for max velocity? 9" in ballistic gelatin. For those curious, 18" in water would be approx. 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). I wonder how whoever got all those data points. WOW, not only is that a mouthful, it is also very impressive! $105.00. For 9mm Barrel Length Ballistics, we will offer many different products at different prices for you to choose. 0 Review . So that's the barrel length the cartridge was designed for. Archived. 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. Ballistic data was gathered using a Magnetospeed barrel mounted ballistic chronograph. all handguards; accessories; drop in; 4"-5" pistol; 7" carbine; 10" specter; 11"-13" rifle; 15"+ ext rifle; gas blocks / tubes; muzzle devices. It's assumed barrel length and velocity walk hand in hand, but in reality, there are many other variables at play. I'm thinking about the most popular/common ammunition: 22LR, 9mm, 556/223, and 45. The velocity loss in this case was 74 fps per-inch of barrel lost to the tested 24-inch barrel. Some police agencies have adopted .357 SIG to replace their .357 Magnum revolvers, praising its accuracy and performance. 36 inch barrel: Load #1 – 1203 Load #2 – 1375 Load #3 – 1602. Today on Kentucky Ballistics we perform a ballistic gel test with 9mm, 357 Sig, 10mm and 5.7x28mm. Barrel length doesn’t affect the mechanical accuracy of your rifle. Say, standard 115gr FMJ rounds for start. Posted by 7 years ago. Results are in inches/foot-pounds of energy and based on a 100-yard zero with the scope 1.5 inches above the bore. 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. I … A longer barrel gives you the opportunity to benefit more from a heavier grain. However that was over a century ago, powder, bullet weight and construction, and barrel designs have all changed since then. The term ballistics refers to the science of the travel of a projectile in flight. Ballistics question: any chart about range AND accuracy depending on ammunition and barrel length ? In other words, you need less sight adjustment or holdover in order to make a shot. 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. lb of muzzle energy which penetrates 18" in water jugs and expands to .88". Because we target all types of customer on the market. I hope you enjoy the video and thanks for watching! Intrinsic accuracy is a matter of quality (and to a lesser extent contour), not length. 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. Tests on barrel length/velocity are often very limited in scope and overall add up to simple guesses. 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). of muzzle energy. I have to wonder how much the burn rate of the powders (not determined by those tests) affected the results. (I don't know if I'm right). For science. 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. Ballistic Gel Penetration (10% Gel) – 22 inches Because of this, you perceive that it’s easier to hit a target when you have more velocity. 45-Bravo. The percentages tell the story more plainly. Posted: 2/13/2017 7:39:16 PM EST Something just piqued my curiosity. bolt carrier groups; charging handles; handguards . 7 Responses to “9mm performance with barrel length” Marc Says: August 30th, 2006 at 12:53 am. What Does Barrel Length Affect: Concerning accuracy, all lengths proved accurate to a certain exent when match with the right ammo. Out of stock ; 11" 9MM Straight Profile Barrel, Modern Series ... Gas System Length. 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. But 124s will be fine too. Nice, thanks for the pointer. S&W then teamed with Winchester to produce a new cartridge, the .40 S&W. Penetration was reduced due to the larger frontal bullet face that was pushing through the gel. Interesting. Adding another 1.5" of barrel length with the longer barreled Glock allowed for higher velocity and greater expansion. 108thMP said: Hello, folks. Close . 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. Blowback 6 items; Finish. Both tested rounds penetrated well beyond the 12" penetration hurdle that seems to be the expected minimum penetration depth. 4.5" 9MM AR 15 Barrel, Modern Series 0 Review . Sale Price: $147.25 . It appears that the diminishing returns (for 9mm) start at a shorter barrel length for the heavier bullets. Ballistics. JoeBob dun saved you $7.75! But other variables tend to play a major role as well. Thanks in advance. Average velocity from the Blitzking averaged 2532 fps and 570ft/lbs. Some history of the 5.56 to begin with. 9mm barrels; bcg's / charging handles. You will notice that in each case, the longer the barrel, the higher the velocity. 117 to be precise, and that’s just round one. It uses a small pistol primer whereas the 10mm cartridge uses a large pistol primer. 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 Reason: Both the 9mm and .45 are great calibers for everyday carry, and both offer very good terminal ballistics for stopping power. It was the most diminished round tested compared to the full-length barrel. Here's an example of some ballistics plugged into Hornadys ballistic calculator using data off of Short Barrel Shepherds blog. 3. Out of Stock. Ballistic Advantage AR-15 16" 9MM Barrel 1:10 4150 - 1/2x36 This item is currently on order MSRP: $155.00 . You can be assured of this. I suppose it was done with one of those strain gauge thingys. 20 inch barrel: Load #1 – 1103 fps Load #2 – 1242 Load #3 – 1465. 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. That’s pretty neat. We suspect the inclusion of a rifle-length barrel would also have yielded some interesting results. 9mm Luger (9x19mm) pistol cartridge bullets also have very poor ballistic coefficients. Average velocity and standard deviation was logged for each round. *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). Standard Mischief Says: August 30th, 2006 at 1:34 am. I’d recommend going with 147s from a carbine. 9mm continues to gain in velocity up until 16” or so. 2,540 Posts #2 • Feb 5, 2019. In every case, the nominal barrel length was three inches or shorter measured in the industry-standard fashion. At each barrel length, the rifle was fired from a front rest with rear bags, with five rounds of each type of ammunition. Does anyone know what the optimal barrel length is for 9mm rounds for max velocity? I know different loads could change optimal barrel length but anyone have a ballpark? The ballistics by the inch guy ... You get into diminishing returns after that. Glock Gen 4 Model 19 9mm. 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! Ballistics question: any chart about range AND accuracy depending on ammunition and barrel length ? I’d recommend the 11” barrel as that will be … What’s actually happening is that the ballistic curve of the bullet becomes flatter as velocity increases. 09-24-06, 21:22 #2. That's about 4 3/4 inches. I was just wondering if it was in SBR range or if the 16" was getting close. Barrel length, accuracy and ballistics. ARCHIVED; BG213. For science. Barrel Length – 4.02 in. 26 inch barrel: Load #1 – 1165 Load #2 – 1300 Load #3 – 1527. Barrel length does affect accuracy, muzzle velocity and delivered energy when testing various classes of rimfire ammo. I know different loads could change optimal barrel length but anyone have a ballpark? 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 wounding potential of projectiles is a complex matter. It is worth mentioning that a longer barrel is not inherently more accurate than a short barrel. 8.3" 9MM Straight Profile Barrel, Modern Series $115.00 . Say, standard 115gr FMJ rounds for start. Honestly, I was surprised with these results. The original 9mm Parabellum Pistol, the P-08, had a 120mm barrel. Joined Aug 2016; Posts 20; EE Offline; CT, USA. The flight path of a bullet includes: travel down the barrel, path through the air, and path through a target. I was just wondering if it was in SBR … 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'm using figures from Wikipedia, which are usually taken from a gun of typical barrel length for that cartridge. [ARCHIVED THREAD] - 9mm ballistics out of a carbine-length barrel. They range from high-end to mid-range. Length ballistics, we will offer many different products at different prices you! 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