9mm vs 45 acp12/28/2023 ![]() ![]() Pistol vs Carbine and differences in ammunition performance. With 3 layers on the gel, even those penetrated fine, and still had more expansion. Some 115 gr rds under penetrated on bare gel, 1 layer in the carbine. 147 gr seemed to perform better as far as enough penetration. He found slightly less penetration, but more expansion with the carbine. This guy actually tested head to head a CZ handgun with a CZ Carbine. With Hornady 124gr XTP hand loads 4 jug penetration with good bullet retention and expansion, With 124gr hard cast that I make myself 5 jugs won't even began to stop the bullet it just blows through and keeps going. I don't use ballistic gel so I can only say how mines works with milk jugs fill with water. I suppose if I ever actually get down to buying a PCC I'll look at that aspect a little more closely.Ī lot of the terminal performance will be the type of bullets your using in the 9mm carbine. 45ACP JHP may be more likely to hold together and penetrate adequately than a 9mm JHP, but I don't have any facts/evidence to back that up. Does it still penetrate adequately at the higher velocity? Does it fragment? Or is a 200fps bump in speed not enough for that to be a concern? My non-expert presumption is that a. There are many 9mm defensive loads that are well-proven and perform well in gel when fired from pistols, but I don't know how that translates to carbine performance, with my biggest concern being how well the bullet stays together. My biggest question is terminal performance. I've been thinking about getting a pistol caliber carbine (PCC) in 9mm, mostly because that's the handgun caliber I'm interested in. You may decide what's best for you should a pistol-caliber carbine be in your future. I could touch off yet another 9mm vs.45 ACP cyber war but I stop short of a specific recommendation. 45 ACP is short of the 18" minimum barrel length required by federal law. Unfortunately, the optimum barrel length for. ![]() In either caliber, the extra barrel length adds about 200 FPS to velocity. The 9mm, on the other hand, continues to pick up velocity and often hits maximum velocity at around 17 to 19 inches of barrel length. Of particular interest, assuming an 18" carbine barrel, most ,45 ACP loads max out in about 14 inches of barrel and any barrel length beyond that acts as a drag on the bullet, slowly it down. ![]() This prompted me to do some off-the-cuff research using a web site called "ballistics by the inch." BBTI - Ballistics by the Inch :: 9mm Luger Results For those seeking to add a carbine to their defensive firearms, I was tempted to buy the new Ruger carbine in 9mm or possibly wait until it is offered in. ![]()
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