Brownells BRN XM177E2 UPPER RECEIVER, 11.5'', 1-12 TWIST, BLACK XM177E2 COMPLETE UPPER RECEIVERS $815.99 add to cart
on sale! Brownells BRN 733 C7 5.56 UPPER RECEIVER, 11.5'' 1-7 TWIST BLACK BRN-773 UPPER RECEIVER $764.99 add to cart
