S springrnco Inactive Dec 12, 2004 #1 Can anyone tell me if my RRA AR-15 has a .154 or .169 reciever pin? Thanks.
L Lycanthrope New member Dec 12, 2004 #2 Certainly. RRA is little pin. .154 Colts use the larger and they are the only ones that do to my knowledge.
Certainly. RRA is little pin. .154 Colts use the larger and they are the only ones that do to my knowledge.
