The Tiger Rock Inc. LPK308-09 AR-10/LR-308 Lower Parts Kit delivers a premium upgrade for your firearm assembly. Built for DPMS-compatible lowers, it includes superior components designed for optimal performance and reliability. Crafted from high-quality materials, this kit enhances your shooting experience with its robust features. U.S. made Mil-Spec AR-10 Trigger and Hammer in 8620 alloy steel Complete magazine catch assembly including button and spring AR-15 single safety selector lever 308 bolt catch assembly with plunger and spring Durable pivots, pins, and springs for smooth operation Enhance your AR-10 with the precision and reliability of the Tiger Rock LPK308-09.