M4E1 Threaded Complete Upper, 16.3" 5.56 CHF Mid-Length Barrel w/ 15" S-ONE M-LOK HG with BCG and Charging Handle - Anodized Black

This Upper Receiver is built around our 5.56 Cold Hammer Forged Barrel that is paired with our 5.56 BCG. Included ATLAS R-ONE Handguard, BREACH Charging Handle, and VG6 Delta muzzle device round this assembly out into a premium turnkey solution for your next build.

Includes:

• 16.3" 5.56 Cold Hammer Forged Barrel
• 5.56 Bolt Carrier Group
• M4E1 Threaded Upper Receiver
• ATLAS S-ONE Handguard
• VG6 Delta Flash Hider
• Mid-Length Gas System
• AR15 BREACH