Description
Complete Upper Specs:
Caliber: 5.56 NATO
Barrel Length: 10.5"
Weight unloaded: 4.20 lbs
Rifling: 1/7" RH
Handguard: LWRCI Modular 8” Rail System
Sights: LWRCI BUIS Front and Rear
Muzzle Device: A2 Birdcage 1/2x28
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