The Firing Line Forums - View Single Post - Carbine or rifle length AR15, which do you like?

ripnbst · November 11, 2012, 12:46 PM

To me the only thing that the gas system affects cyclic rate and recoil impulse. I could get the same sight radius out of a 16" barreled gun via handguard mounted BUIS as a 20" barreled gun. Even rifle length handguards don't go a full 20".

November 11, 2012, 12:46 PM	#18
ripnbst Senior Member Join Date: November 24, 2010 Location: Spring, TX Posts: 1,552	To me the only thing that the gas system affects cyclic rate and recoil impulse. I could get the same sight radius out of a 16" barreled gun via handguard mounted BUIS as a 20" barreled gun. Even rifle length handguards don't go a full 20".