55x Steel Lower Receiver 5.56/300BLK, cross compatible with original SIG USA 556 SWAT/Patrol and Swiss 551, 552 & 553. Stock is included.
55X Lower Receiver – Steel Grey/Green
1,270.00$
55x Steel Lower Receiver, 5.56/300BLK, cross compatible with Sig USA 556 SWAT/Patrol and Swiss 551, 552 & 553.
Available on backorder