Geissele Automatics presents the MK16 11.5'' Super Duty Upper, a pinnacle of engineering excellence. This upper receiver is crafted with precision, featuring a CHF barrel, Airborne Charging Handle, and Nano Flash Hider/Bolt Carrier Group in black...

The Geissele Automatics AR-15 10.3'' Super Duty Stripped Upper Receiver DDC showcases exceptional design and engineering, featuring a robust anodized finish and a precision-machined, cold hammer forged barrel with a 1-7 twist rate. This upper receive…

The Geissele Automatics AR-15 10.3'' Super Duty Nano Complete Upper Receiver ODG is a testament to superior engineering and design. Featuring a 5.56mm NATO chamber, this upper receiver is crafted with precision using high-quality materials. The anodi…

AR-15 SUPER DUTY NANO COMPLETE UPPER RECEIVERS 5.56MM

Manufactured with confidence and without compromise, the Geissele Automatics Super Duty MOD1 5.56 10.3 URG BLK adds value to the platform while continuing the reputation for excellence. This complete upper receiver offers unmatched performance, accur…

Geissele Automatics presents the Super Duty MOD1, a complete upper receiver designed for the AR-15 platform. Engineered with precision, it features a 12.5" Cold Hammer Forged Barrel and an anodized finish for durability. The HuxWrx Flash Hider-QD Muz…

The Daniel Defense DD M4A1 FSP Upper Receiver Group is a testament to superior engineering and design, crafted for enthusiasts seeking a firearm inspired by the USSOCOM SOPMOD Block II. This upper receiver features a 14.5" M4 profile barrel, Mil-Spec…

Heckler & Koch presents the HK MR556 Upper Receiver Kit, a testament to precision engineering and superior design. This kit features a complete upper receiver/barrel assembly with a 16.5-inch cold-hammer forged barrel, ensuring durability and accurac…

Geissele Automatics presents the AR-15 14.5 Super Duty Nano Complete Upper Receiver, engineered with precision and durability. This upper receiver features a Geissele Sparkout Muzzle Device, Super Modular Rail M-LOK handguard, and an ambidextrous...

Geissele Automatics presents the Super Duty MOD1, a pinnacle of engineering excellence in the AR-15 platform. This complete upper receiver is crafted with a 13.9" Cold Hammer Forged Barrel, featuring a Nanoweapon-coated Reliability Enhanced Bolt Carr…

Geissele Automatics presents the GE URG-I NC 556NATO 14.5" BLK/DDC, a masterpiece of engineering and design. This complete upper receiver features a 14.5" barrel with a pinned and welded Surefire 4 Prong Flash Hider, ensuring optimal performance and.…

Geissele Automatics presents the AR-15 14.5 Super Duty Nano Complete Upper Receiver DDC, engineered for precision and reliability. This upper receiver features a 14.5" barrel with a 1-7 twist rate, anodized finish, and Surefire Closed-Tine Flash Hide…