Description

Seekins Precision SP223 Gen2 Billet Lower Receiver – AR-15 Multi-Caliber

Engineered for precision and strength, the Seekins Precision Gen2 SP223 Billet Lower Receiver sets a new benchmark in premium AR-15 components. CNC machined from a solid block of 7075-T6 billet aluminum, the SP223 delivers enhanced rigidity, tight tolerances, and unmatched aesthetics. Its flared magwell, integrated trigger guard, and beveled edges are designed for both style and function—ideal for competition builds, duty rifles, or premium custom setups.

This multi-caliber lower is compatible with any mil-spec AR-15 upper and includes an ambidextrous bolt release cut, making it ready for advanced control setups. Finished with a durable Type III hardcoat anodizing, the SP223 is built to last and look great doing it.

Seekins Precision SP223 Gen2 Billet Lower Receiver – AR-15 Multi-Caliber | CNC Machined 7075-T6 | Ambidextrous Controls Ready

Built for serious shooters, the Seekins Precision SP223 Gen2 Billet Lower Receiver delivers unmatched strength, precision, and aesthetics. CNC machined from 7075-T6 billet aluminum, this multi-caliber AR-15 lower features a fully ambidextrous design, integrated trigger guard, and flared magwell for faster reloads. Engineered for tight tolerances and exceptional fit with standard Mil-Spec AR-15 uppers.

The Seekins Precision Gen2 billet lower is machined from a solid block 7075-T6 aluminum with the idea of Mil-Spec being the base starting point. Designed for performance and enhanced user experience, the SP223 features an ambidextrous bolt release, eliminates roll pins with custom dowel pins, and an over-sized winter trigger guard, in addition to an enhanced magazine well that is compatible with standard PMAGs and SureFire’s high capacity magazines!

✅ Key Features of Seekins Precision SP223 Gen2 Billet Lower Receiver – AR-15 Multi-Caliber:

• 7075-T6 Billet Aluminum Construction – Stronger and more precise than forged

• Flared Magwell – Faster, smoother magazine changes

• Integrated Oversized Trigger Guard – Room for gloves and enhanced durability

• Ambidextrous Bolt Release Cut – Ready for ambi control upgrades

• Beveled Edges & Clean Lines – Refined aesthetics with functional design

• Mil-Spec Component Compatibility – Works with any standard AR-15 parts kit and upper

• Multi-Caliber Marked – Ideal for .223 Rem, 5.56 NATO, or .300 BLK builds

• Made in the USA – Seekins Precision quality and craftsmanship

Also Available:

AR-15 Lower Receivers