While offering top notch fit and finish the BCM PMCR is a direct ,drop in, replacement for AR pattern rifles that utilize a Delta ring barrel nut assembly. NOTE: For mil-spec, non-free float M16A1 type platforms with Triangular, front handguard retaining cap.

Features :

• Natural ergonomics
• slim, comfortable and lightweight, only 5.8 ounces
• Aggressive textured area for needed traction
• Three, four-hole M-LOK compatible mounting slots, mounting surfaces (10:30, 1:30, and 6:00 oclock placements)
• Aluminum heat shield, lessening heat transfer to the handguard and shooters hand
• Made of an impact and temperature resistant high strength polymer