SB Tactical Mil-Spec AR Receiver Extension - 7075 Aluminum MSCRE6

RECVR EXTENSION, MIL-SPEC, 7075, 6 POSITION *** NOTE:  BULK PACKAGED GOODS INTENDED FOR PRODUCTION USE ONLY **** This part is meant to be purchased with the SB Tactical OEM SBA3 brace MPN: SBA3-01-B-SB if you do not have your own 6-position receiver extension to use with your build. Manufacturer Part Number: MSCRE6