Geissele Automatics Geissele Super Duty 5.56 NATO 10.3" 1:7" CHF Bbl Black Stripped Upper Receiver w/9.3" M-LOK MK16 SMR 08-244B

Discover the pinnacle of AR-15 performance with the Geissele Automatics Super Duty AR-15 Barreled Upper Receiver 5.56 Carbine - Black - No Muzzle Device - 10.3". Engineered for demanding professionals and enthusiasts, this barreled upper delivers unmatched reliability and precision in a compact package, ideal for close-quarters maneuvers or custom builds that prioritize durability and accuracy. Whether you're outfitting a duty rifle or enhancing your personal defense setup, the Super Duty stands out with its cold hammer-forged barrel and robust construction, ensuring it performs under the harshest conditions without compromising on weight or balance.Key Features Cold Hammer Forged Barrel: Precision-machined from CMV steel with a 10.3-inch length, 1:7 twist rate, and Manganese Phosphate finish for superior accuracy, heat resistance, and longevity-stabilizing heavier bullets for reliable terminal performance. Super Modular Rail System: 9.5-inch MK16 handguard crafted from 6061-T6 aluminum with Type III hard coat anodizing, offering ample space for accessories while providing exceptional corrosion resistance and a secure grip during extended use. Advanced Gas System: Carbine-length setup paired with Geissele's bomb-proof Super Compact Gas Block, optimizing cycling for smoother operation and reduced recoil, so you stay on target even in rapid-fire scenarios. Mil-Spec Upper Receiver: Forged 7075-T6 aluminum with M4 feed ramps and Type III hard coat anodizing, ensuring seamless compatibility with standard AR-15 lowers and enhanced feeding reliability to minimize malfunctions.These features aren't just technical specs-they translate to real-world benefits like consistent shot placement, easier maintenance, and confidence in high-stakes situations. Say goodbye to finicky uppers that fail when you need them most; the Super Duty is built to endure abuse while maintaining sub-MOA potential with quality ammo.Specifications Caliber: 5.56 NATO Barrel Length: 10.3 inches Barrel Profile: Medium (Government) Twist Rate: 1:7 Gas System: Carbine Barrel Finish: Manganese Phosphate Handguard Length: 9.5 inches Weight: 54.08 oz (approximate assembled weight) Material: 7075-T6 aluminum receiver, CMV steel barrel Includes: Barreled upper receiver, handguard, gas block, and hardware-no BCG or charging handleWhy Choose the Geissele Super Duty Upper?In a market flooded with generic AR-15 uppers, the Super Duty rises above with Geissele's renowned engineering, drawing from military-grade standards to address common pain points like gas system failures or rail flex. This 10.3-inch carbine configuration excels in maneuverability without sacrificing velocity, making it perfect for suppressed setups or SBR builds. Customers rave about its flawless integration and out-of-the-box reliability, turning complex assemblies into straightforward upgrades. Invest in this black-anodized powerhouse for a rifle that evolves with your needs, backed by American craftsmanship since 2004.Elevate your AR-15 build today with the Geissele Super Duty Barreled Upper-precision, power, and peace of mind in every shot. Order now and experience the difference that superior design makes on the range or in the field.