55X Grey Steel Lower Receiver. Select Fire 1, 3 , 20rd burst 5.56/300BLK cross compatible with the original SIG USA 556 SWAT/Patrol and Swiss 550, 551, 552 and 553. MUST HAVE TYPE 7 ATF Manufacture License.
55X Lower Reciever – Select Fire – Steel Grey/Green (07 License only)
$1,800.00
Only 8 left in stock (can be backordered)