Description
Brownells BRN180 Piston Bolt 5.56 .223 300BLK AR15 AR-15 For BRN 180 BCG
Spare Bolt Assembly for the BRN-180™ Upper Receiver. Includes ejector & extractor hardware. Black oxide finish. Compatible with 223 Wylde or 300 Blackout Models. FOR Gen1 or Gen2 BRN-180™ ONLY. WILL NOT FIT OTHER PISTON SYSTEMS.









