In my comments section recently, I was asked to shed some light on the velocity penalty created by moving from 20″ long rifle barrels as in the M16 to 14.5″ long carbine barrels as in the M4 Carbine. Our readers’ wish is my command, and so here we are. In the very first edition of […]
The post Long Barrel, or Short? The Effectiveness Trade-Off Between 14.5″ and 20″ Barrels appeared first on The Firearm Blog.