Geissele Super Duty MOD1 .300 BLK 8" 1:8" CHF Chrome Lined Bbl Black Complete Upper Receiver Group 08-553B

The Geissele Super Duty MOD1 .300 BLK 8" 1:8" CHF Chrome Lined Bbl Black Complete Upper Receiver Group 08-553B is a high-performance upper receiver designed for the AR-15 platform. Featuring an 8-inch chrome-lined barrel with a 1:8 twist rate, this upper receiver offers superior accuracy and durability. The included Super Modular Rail MK16 provides ample space for mounting accessories, while the Reliability Enhanced Bolt Carrier Group ensures smooth operation and reliability. Ideal for upgrading or customizing your AR-15. Geissele Mil-spec Braided Buffer Spring & H1 Buffer included.