This is your ultimate AR9 pistol guide! We’re covering parts compatibility between the AR-9 and AR-15, how to pick the right parts for the perfect 9mm AR build, and we’re providing instructions on how to build an AR-9, start to finish. Let’s get started. What is the AR-9? A typical 9mm AR Pistol Kit The AR-9…
It’s an age-old argument: 9mm vs .45 ACP. Which one is better? Is there a “better” cartridge between the two, universally speaking? There’s less than one-tenth of an inch of difference (0.095″, to be exact) between the two bullets’ diameters. Lovers of .45 ACP say there are few other rounds capable of providing the same type…
The AR-15 is equally capable of chambering 300 Blackout and 9mm Parabellum. Both cartridges can function as supersonic and subsonic loads with short barrels. Both can be effectively suppressed when loaded as subs. Both provide similar AR configurations to accomplish this. So, 300 BLK is a pretty direct competitor to 9mm when it comes to…
