Geissele 08-247S Super Duty 5.56 NATO 16" 1:7" CHF Bbl DDC Stripped Upper Receiver w/15" M-LOK MK16 SMRThe Geissele Super Duty 5.56 NATO 16" 1:7" CHF Barrel DDC Stripped Upper Receiver 08-247S is a high-performance upper designed for custom AR builds. Geissele 08-247S features a 16-inch cold hammer-forged (CHF) barrel with a 1:7 twist rate, offering superior durability and accuracy. The upper is paired with a 15" M-LOK MK16 Super Modular Rail, ensuring secure, stable attachment and excellent customization options. Finished in a rugged Desert Dirt Color (DDC), this stripped upper is built for reliability and designed to perform in demanding conditions. Perfect for serious enthusiasts or professional applications. Geissele’s Super Duty Stripped Upper is the perfect foundation for any custom AR build, delivering the exceptional quality and craftsmanship that Geissele is renowned for. Featuring a Geissele Super Duty Stripped Upper, it integrates flawlessly with the 15" MK16 Super Modular Rail, securely attached via a center-aligning tab that eliminates any risk of rail rotation, ensuring a stable, precision fit. The barrel is cold hammer forged, chrome-lined, and coated with manganese phosphate, providing unmatched durability, corrosion resistance, and consistent performance throughout its extended service life. Whether you’re upgrading an existing setup or building a new one from scratch, this stripped upper is engineered to exceed expectations in both form and function. Geissele Super Duty Stripped Upper Features: Super Duty Upper15” MK16 Super Modular RailCold hammer forged, chrome lined, manganese phosphate coated barrel Geissele Super Duty 5.56 NATO 16" 1:7" CHF Bbl DDC Stripped Upper Receiver w/15" M-LOK MK16 SMR 08-247S