Product Overview
The Geissele Super Duty MOD1 Upper Receiver is a complete upper for the AR-15 platform, chambered in 5.56 NATO. This high-quality upper receiver features a Geissele 14.5" chrome-lined barrel with a 1:7 twist rate and suppressor-ready HUXWRX Flash Hider that’s pinned and welded. The mid-length gas system paired with the Super Compact Gas Block ensures smooth operation. Included is a 13.5" Super Modular Rail MK16, a variant of the rail used by USASOC, for superior ergonomics and customization options. The upper is completed by Geissele's battle-proven Reliability Enhanced Bolt Carrier Group and Stressproof bolt, engineered for maximum durability and performance.
Features:
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Chambered in 5.56 NATO
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14.5” Geissele barrel, CHF, Chrome lined, 1:7 twist,
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Manganese Phosphate finish
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Mid-length gas system
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Geissele Super Compact Gas Block
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13.5" SMR MK16 Rail
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Super Duty Upper with Cam Pin Cut-Out
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Geissele Reliability Enhanced BCG, Nanoweapon Coated
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Geissele Stressproof Bolt, Carpenter 158+
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HUXWRX Flash Hider-QD, suppressor-ready, pinned & welded
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Airborne Charging Handle
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Mil-Spec Construction
