Geissele 08-547B Super Duty MOD1 5.56 NATO 14.5" 1:7" CHF Chrome Lined Pinned & Welded Bbl Black Complete Upper Receiver

The Geissele Super Duty MOD1 5.56 NATO 14.5" 1:7" CHF Chrome Lined Pinned & Welded Barrel Black Complete Upper Receiver Group 08-547B is a premium upper receiver assembly for AR-15 style rifles. It features a 14.5-inch Cold Hammer Forged (CHF) chrome-lined barrel with a 1:7" twist rate, optimized for stabilizing a variety of bullet weights commonly used in 5.56mm NATO ammunition. The barrel is pinned and welded to meet the minimum legal length requirement, ensuring compliance with firearm regulations. The Geissele 08-547B upper receiver group comes in a black finish and is crafted with Geissele's renowned precision engineering, catering to the needs of military, law enforcement, and civilian users seeking high-performance firearm components.