If you're looking for the highest quality and most durable mil-spec Lower Parts Kit on the market with all of the upgrades, look no further. The Spike's Tactical Enhanced LPK was designed for the end user who demands the most longevity possible out of the parts in their rifles.
Spike's Tactical Enhanced Lower Receiver Parts Kit, 223 Rem/556NATO,
KNS Gen 2 Mod2 Anti-Rotation Pins,
Spikes Billet Trigger Guard,
Spikes Battle Trigger,
Ambi Safety Selector,
Black Ergo Grip
Bolt Catch, Mag Catch, Mag Catch Button, Detents, Plungers, Pins, Springs, Black Finish