1. SP223 Gen2 Billet Lower Logo

    Precision CNC machined from solid billet aluminum, the SP223 Billet Lower is the best AR lower receiver available. Far exceeding Mil-Spec requirements, the SP 223 has features not found on standard lowers such as the Seekins Precision Enhanced Bolt Catch, receiver tensioning screw, ambi-bolt stop assembly and an oversized trigger guard. These features combined with superior fit and finish make the SP223 the perfect foundation for any AR build.

    • 7075-T6 Billet Aluminum
    • AR15 Platform
    • Ambidextrous bolt release
    • Mil-Spec component compatible
    • SP Enhanced bolt catch
    • Upper tensioning set screw
    • Bullet pictogram selector markings
    • Type III Class 2 Hardcoat Anodized Finish
    • 10.9 Ounces
    • $259.00
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  2. NX15 Lower

    The NX15 Skeletonized lower is uniquely designed to remove excess weight and materials without sacrificing rifles integrity. The NX15 lower offers a great foundation for an extremely lightweight, easy to maneuver rifle. Utilizing high performance components and precision manufacturing; CNC machined from 7075-T6 billet materials, the NX15 lower is held to strict tolerances and quality controls. Features ambidextrous controls.

    • Skeletonized 7075-T6 Billet Aluminum Lower Receiver
    • Ambidextrous Bolt Release
    • Mil-Spec Component Compatible
    • Trigger Finger Index Point And Enlarged Trigger Guard
    • Type III Class 2 Hardcoat Anodized Finish
  3. SP10 .308 Builder's Kit-MLOK

    Based on the excellence of the proven iRMT upper receiver and full ambi billet lower, the SP10 build kit offers unrivaled reliability, performance, and accuracy. This upper/lower/handguard trifecta is the perfect jump start to your next AR10 build.

    • 7075-T6 Billet Aluminum Upper and Lower Receiver
    • 6061-T6 Billet Aluminum 15" MLOK SP3Rv3 Handguard
    • Seekins Precision Takedown Pins
    • 2.65 LBS
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