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08-547B-Geissele
810081133692
08-547B
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.
The Geissele Super Duty MOD1 Complete Upper Receiver offers top-tier components for a custom AR build. Geissele Super Duty MOD1 Upper Receiver is precision-machined, cold hammer forged barrel is made from high-quality steel, coated with manganese phosphate and chrome lining for durability against the elements. The HUXWRX Flash Hider-QD 556 muzzle device enhances performance and is suppressor-ready. The included Reliability Enhanced Bolt Carrier Group features Nanoweapon coating, properly staked gas key, and a cam pin machined from H13 tool steel for corrosion and wear resistance. Extended upper rails improve stability and feeding reliability, while the Stressproof Bolt offers superior strength and fatigue resistance. The updated MK16 Super Modular Rail ensures a secure fit for a variety of optics, including iron sights, red dots, scopes, and thermal/night vision devices.
