Product Overview
The Geissele Super Duty MOD1 5.56 NATO Complete Upper Receiver is a high-performance upper receiver for the AR-15 platform. It features a 13.9-inch chrome-lined barrel with a 1-7 twist rate, a 15-inch Super Modular MK16 Rail, and a Geissele Reliability Enhanced Bolt Carrier Group with a Stressproof bolt.
The 5.56 NATO barrel is made from high-quality steel and is cold hammer forged for superior accuracy and durability. The chrome lining makes it corrosion-resistant and easy to clean. The 12.9-inch Super Modular MK16 Rail provides a lightweight and versatile rail system that offers plenty of space for mounting sights, lasers, and other accessories. The handguard is designed with a center aligning tab that prevents the rail from rotating.
Features:
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Chambered in 5.56 NATO
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13.9” CHF barrel with Geissele Profile, 1:7 twist
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Chrome lined
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Mid-length gas system
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Super compact gas block
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HUXWRX Flash Hider-QD 556 Pinned and welded
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12.9” SMR MK16 handguard
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Super Duty upper receiver with cam pin cutout
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Airborne charging handle
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Nanoweapon Reliability Enhanced BCG
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Geissele Stressproof Bolt with Asymmetric Cam Pin
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Overall length: 23 1/4”
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Weight: 4 lbs. 3 oz
