Spikes SLPK301 Enhanced Multi-Caliber AR Platform Lower Parts Kit - Black

The Spikes Tactical SLPK301 Enhanced Lower Parts Kit is the company's upgraded drop-in package of internal components for any standard AR-15 lower receiver, engineered around the signature ST Battle Trigger Group for a noticeably smoother, crisper pull than a factory Mil-Spec LPK.

At the heart of the kit is a single-stage Mil-Spec trigger matched to a rounded hammer and disconnector, all coated in Nickel Boron for reduced friction and a smoother pull. Rounding out the performance upgrades is a billet, tool-less trigger guard machined from 7075-T6 aluminum that installs without a roll pin, simplifying the build process for new lowers.

Beyond the trigger group, this Enhanced LPK ships as a complete set of lower internals: a Mil-Spec bolt catch with spring, roll pin, and plunger; magazine catch and magazine catch button; plus all the Mil-Spec detents, plungers, pins, and springs needed to finish out an AR lower. The kit comes finished in black, is sized for the AR platform in a multi-caliber configuration, and drops into any standard AR-15 lower receiver without modification.