Rock River Arms National Match A2 Upper, w/ 1/2×1/2 .040 Hooded Aperture

Description

Description: Rock River Arms National Match A2 Upper, w/ 1/2×1/2 .040 Hooded Aperture. The National Match M4 Upper Receiver Assembly by Rock River Arms is designed to extract every bit of functional capability out of your competition AR-15 project. This assembly features a 20″ stainless steel Heavy Match barrel chambered in .223 Wylde, 12″ A2-style polymer handguard, .750″ gas block/0.050 Match front sight post, A2-style carry handle with 1/2 x 1/2 Match rear sight and 0.040 hooded aperture, and a complete bolt carrier group.

Features:

• Forged A2 Upper Receiver
• A2-Style Carry Handle
• 12″ A2-style Handguard
• Free Floating
• High-Temp Thermo Mold
• Barrel
• 20″ Length
• .223 Wylde Chamber
• Heavy Match
• Stainless Steel
• Cryogenically Treated
• 1:8 ROT
• Rifle Length Gas System
• 1/2 x 28″ TPI Muzzle