Feb 11, 2013 · In this thread, I wanna talk about a little known M4A1 varient, (that I’m not actually sure even recieved an official designation) known as M4A1 GL/SSC. All the information I have is that it …

Dec 1, 2014 · Did all the M4A1’s have the RIS II or were some still in orig config with the FSB? IG, Are the BCM SOCOM Bbl good? Thanks Plenty still have the KAC rail with FSB. This is a good example …

Mar 29, 2010 · SOCOM’s M4A1 has the safe-semi-auto selector of the M16A1, giving a cleaner, better semiautomatic trigger pull. SOCOM has begun transitioning to heavy barrels. As of early this year …

Oct 30, 2014 · The M4A1 is 1005-01-382-0953 The M4 is 1005-01-231-0973 Another obvious difference would be that the M4 is burst while the M4A1 is full auto. Both should have KAC rails, but the M4A1 …

Mar 22, 2011 · If you were to take the elapsed time for one round to fire, cycle and chamber another round out of an M4A1 on semi, then multiply that time by 30 would it be the same amount of time to …

None of my personal M4/AR types have had any bolt breakages. Colt M4A1 SOCOM II, carbine length gas no issues. Daniel Defense V7 Pro, rifle length gas no issues. Knights Armament SR-15 no …

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Whats the difference between the full auto and semi auto BCG? Im ganna be building a rifle and it will be just semi auto but can you still put a full auto BCG in it? Does that help with anything or is the …