There are not nearly as many options shopping for subsonic factory ammo, and I chose to evaluate two from the same manufacturer. It’s decidedly made from a different component mix.The subsonic application is more specialized, meaning: (By the way, the whole motivation for this wasn’t to do an article it was to figure out what to load in my new gun! I chose one, and more in a short bit.) 300 Blackout is effective or not depends on what your opinion is of that round for a defensive application. Impact performance, based on energy figures, puts most subsonic loadings at beyond routine. I chose subsonic blackout because of its low “blast” (sound and flash) and also its impact performance at closer distances. I got interested in subsonic Blackout after finishing a project for my last book, and that was building a specialized home defense gun. 300 Blackout? The object of my attention and the motivation for this article: my “house gun,” a purpose-built. Technically, Blackout can be a little higher pressure, which mostly only affects supersonic loadings.) Why. Advanced Armament Corporation secured production-cartridge status, which means it got SAAMI-certified and called it. The main distinction is only a formality. (By the way, there’s no real difference in. If it functions with subsonic, it will greatly “over-function” with higher-pressure supersonic. 308-caliber bullet doesn’t produce much gas to operate the system.Īnd, clearly, it’s not possible to run sub- and supersonic loads through the same gun without undue compromise.
I’ll do another entire article on that topic in these pages later on this year, but the reason is that the small amount of fast-burning propellant needed to launch a relatively heavy.
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