Geissele Super Duty MOD1 5.56 NATO 13.9" 1:7" CHF Chrome Lined Pinned & Welded Bbl DDC Complete Upper Receiver Group 08-546S

The Geissele Super Duty MOD1 5.56 NATO 13.9" 1:7" CHF Chrome Lined Pinned & Welded Bbl DDC Complete Upper Receiver Group 08-546S is a top-tier upper receiver designed for the AR-15 platform. Featuring a 13.9-inch chrome-lined barrel with a 1:7 twist rate, this upper receiver offers exceptional accuracy and durability. The Super Modular Rail MK16 provides ample space for mounting accessories, while the Reliability Enhanced Bolt Carrier Group ensures smooth operation and reliability. Finished in DDC, this upper receiver is perfect for upgrading or customizing your AR-15.