Geissele AR-15 Super Duty Lower Receiver - DDC

Build a reliable foundation for your next AR-15 project with the Geissele AR-15 Super Duty Lower Receiver. Precision-machined from a 7075-T6 aluminum forging, this stripped lower delivers the durability and dimensional accuracy demanded by serious shooters and builders.Key Features Premium Material: Forged 7075-T6 aluminum provides exceptional strength-to-weight ratio and resistance to wear. Professional Finish: Type-3 hardcoat anodize ensures a rugged, corrosion-resistant surface available in Black, DDC, and OD Green. Mil-Spec Compatibility: Designed to mil-spec standards with .250 takedown pin holes for seamless integration with standard AR-15 components. Clear Markings: Safe/Fire indicators and 5.56mm designation for quick reference during builds and use.Specifications Material: 7075-T6 aluminum forging Finish: Type-3 hardcoat anodize Compatibility: Mil-spec AR-15 platforms Pin holes: .250 takedown Caliber designation: 5.56mm Markings: Safe/Fire indicatorsWhy Choose the Geissele Super Duty Lower ReceiverBuilders seeking consistent quality and precise tolerances appreciate the Geissele approach to manufacturing. Every lower is produced in-house under strict quality control, helping reduce fitment issues common with lesser receivers. The result is a solid base that supports custom builds ranging from duty rifles to competition setups while maintaining compatibility with the vast mil-spec ecosystem.Common Build Applications Custom AR-15 rifle builds Clone-correct SOCOM-inspired configurations Precision competition platforms General-purpose tactical firearmsWhether you're assembling your first AR-15 or refining an existing one, the Geissele Super Duty Lower Receiver offers the dimensional consistency and material quality that support reliable function over time. Pair it with your choice of upper, trigger group, and furniture to create a firearm tailored to your needs.