Aero Precision M4E1 THREADED PRO COMPLETE UPPER, 16.3" 5.56 CHF MID-LENGTH BARREL W/ 15" ATLAS S-ONE M-LOK HG - ANODIZED BLACK

The PRO Upper Receiver Group built around our PRO 5.56 Cold Hammer Forged Barrel that is paired with our PRO 5.56 BCG. Included ATLAS S-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" PRO 5.56 Cold Hammer Forged Barrel
• PRO 5.56 Bolt Carrier Group
• M4E1 Threaded Upper Receiver
• ATLAS S-ONE Handguard
• VG6 Delta Flash Hider
• Mid-Length Gas System
• AR15 BREACH