Geissele Automatics Geissele Super Duty 5.56 NATO 16" 1:7" CHF Bbl DDC Stripped Upper Receiver w/15" M-LOK MK16 SMR 08-247S

Elevate your AR-15 build with the Geissele Automatics Super Duty AR-15 Barreled Upper Receiver in 5.56 Carbine configuration. Engineered for demanding shooters who prioritize precision, durability, and seamless integration, this 16-inch barreled upper delivers exceptional performance without the hassle of piecemeal assembly. Whether you're customizing a duty rifle or enhancing your personal defense setup, the Super Duty stands out as a pinnacle of American craftsmanship, ready to pair with your choice of lower for a battle-proven platform.Key Features Cold Hammer Forged Barrel: Constructed from high-quality 4150 CMV steel with a chrome-lined bore and chamber for superior corrosion resistance and extended barrel life, ensuring reliable function even in adverse conditions. Mid-Length Gas System: Optimized for smoother recoil and reduced wear on components, providing a balanced shooting experience that enhances accuracy during extended range sessions. 1:7 Twist Rate: Ideal for stabilizing heavier 5.56 NATO projectiles, from 55-grain FMJ to 77-grain match loads, maximizing terminal ballistics for tactical applications. Super Modular Rail (SMR) MK16 Handguard: 15-inch free-float M-LOK rail offers ample real estate for accessories like optics, lights, and grips, while maintaining a lightweight profile for maneuverability. DDC Finish: Desert Dirt Color cerakote provides a rugged, low-glare coating that's resistant to scratches and environmental exposure, blending functionality with a tactical aesthetic. No Muzzle Device Included: Allows customization with your preferred suppressor, brake, or flash hider to match your shooting needs.Technical Specifications Barrel Length: 16 inches Barrel Profile: Geissele Tapered (medium contour for optimal weight and heat dissipation) Gas System Length: Mid-length Twist Rate: 1:7 RH Cartridge Compatibility: 5.56 NATO / .223 Remington Barrel Finish: Manganese Phosphate with chrome lining Upper Receiver: Forged 7075-T6 aluminum, hardcoat anodized Weight: Approximately 66.8 oz (without BCG or charging handle) BCG / Charging Handle: Not included - compatible with mil-spec components for easy upgradesWhy Choose the Geissele Super Duty Upper?This barreled upper addresses common pain points in AR-15 builds, such as inconsistent gas tuning and premature wear. The cold hammer forged construction withstands thousands of rounds without accuracy degradation, while the mid-length system minimizes felt recoil for faster follow-up shots. Perfect for competitive shooters, hunters, or professionals seeking a drop-in solution that's as reliable as it is versatile. Its modular design supports endless configurations, ensuring your rifle evolves with your needs - all backed by Geissele's reputation for exceeding mil-spec standards.Ready to complete your ultimate AR-15? Add the Geissele Super Duty 16" Barreled Upper to your build today and experience the difference premium engineering makes in every trigger pull.Frequently Asked QuestionsQ: Is this upper compatible with standard AR-15 lowers?A: Yes, it features a mil-spec upper receiver that mates perfectly with any standard AR-15 lower, ensuring a secure and reliable fit.Q: Does it come with a bolt carrier group or charging handle?A: No, the BCG and charging handle are not included, allowing you to select components that best suit your setup for optimal performance.Q: What makes the mid-length gas system better for a 16-inch barrel?A: It provides a softer shooting impulse compared to carbine-length systems, reducing component stress and improving overall reliability and control.