Stern Defense SD BU45 Bolt Carrier AR-15 Glock-Pattern Upper Receiver .45 ACP Black 004-SD BU45-D1-M
$150.65
Stern Defense SD BU45 Bolt Carrier AR-15 Glock-Pattern Upper Receiver .45 ACP Black 004-SD BU45-D1-M. 45ACP UPPERS MUST HAVE AN ENLARGED EJECTION PORT. WHILE OUR 45 BOLT WILL ACCOMMODATE A JP SILENT CAPTURE SPRING. WE DO NOT RECOMMEND IT AS 45ACP CAN...