The Firing Line Forums - View Single Post - AR-15 locking key problems

NSO_w/_SIG · November 6, 2009, 05:47 PM

I am not sure what you are refering to, maybe the wrench that tightens the castle nut up? The only key on the rifle is on top of the BCG and I know that is not what you are talking about.

November 6, 2009, 05:47 PM	#2
NSO_w/_SIG Senior Member Join Date: December 4, 2004 Posts: 553	I am not sure what you are refering to, maybe the wrench that tightens the castle nut up? The only key on the rifle is on top of the BCG and I know that is not what you are talking about.