Geissele Automatics Super Duty 5.56mm 16" CHF MK16 Stripped Upper, Black

Elevate your AR-15 build with the Geissele Automatics Super Duty AR-15 Barreled Upper Receiver in 5.56 Carbine configuration. Engineered for reliability and precision in demanding conditions, this 16-inch barreled upper delivers exceptional performance without the hassle of a muzzle device, allowing you to customize your setup to perfection. Whether you're a seasoned builder or refining your tactical rifle, the Super Duty stands out for its cold hammer-forged barrel and robust construction, ensuring consistent accuracy and durability on the range or in the field.Key Features Cold Hammer-Forged Barrel: Crafted from high-quality 4150 CMV steel with a manganese phosphate finish, this 16-inch medium-profile barrel resists wear and maintains zero under heavy use, providing reliable feeding and extraction for 5.56 NATO rounds. Mid-Length Gas System: Optimized for smoother cycling and reduced recoil compared to carbine-length systems, enhancing shooter comfort and control during extended sessions. 1:7 Twist Rate: Ideal for stabilizing heavier bullets, from 55-grain FMJ to 77-grain match loads, making it versatile for plinking, home defense, or precision shooting. No BCG or Charging Handle Included: Offers flexibility to pair with your preferred bolt carrier group and handle, keeping your build lightweight and tailored to your needs. Super Duty Upper Receiver: Machined from 7075-T6 aluminum with Geissele's proprietary nanoweapon coating for superior corrosion resistance and a sleek black finish.Specifications Barrel Length: 16 inches Barrel Profile: Medium Gas System Length: Midlength Twist Rate: 1:7 Cartridge Compatibility: 5.56 NATO Barrel Finish: Mag Phosphate Weight: 66.8 oz Dimensions (L x W x H): 21 x 3.5 x 3.5 inchesWhy Choose the Geissele Super Duty Upper Receiver?Built to exceed mil-spec standards, this barreled upper addresses common AR-15 pain points like inconsistent gas flow and barrel whip. The mid-length system minimizes felt recoil, while the chrome-lined bore and chamber ensure longevity and easy cleaning. Customers appreciate its balance of weight and maneuverability, making it a top choice for custom builds that prioritize quality over compromise. With Geissele's reputation for innovation-seen in their Super Compact Gas Block and tapered profile-this upper enhances accuracy and reliability, helping you achieve sub-MOA groups with the right ammo.Ready to complete your AR-15 with a component trusted by professionals? Add the Geissele Super Duty Barreled Upper Receiver to your cart today and experience the difference in craftsmanship and performance.Frequently Asked Questions1. Does this upper include a handguard?No, the Super Duty Barreled Upper Receiver comes without a handguard, BCG, or charging handle, giving you full customization options for rails and optics.2. Is the barrel chrome-lined?Yes, the cold hammer-forged barrel features a chrome-lined bore and chamber for enhanced durability and corrosion resistance.3. What gas block is used?It includes Geissele's Super Compact Gas Block, designed for low-profile mounting and reliable operation with the mid-length gas system.