Testing AR Barrel Length Though Scientific Methods

By Sam Cadle

I have never been one to subscribe too much to the barrel length debate. I do know that through my shooting I generally keep my .308 equipped with a 20in barrel and my .223/556 barrels vary from 14.5in to 20in, depending on the application. While I understand that there is velocity loss though less gas …read more

Via:: The Firearm Blog