Lead Star Arms Grunt AR-15 Receiver Set - Black

Build a Grunt™ AR-15 into any configuration with our receiver sets. Now you have the freedom to choose your own trusted parts and build the rifle of your dreams!Total set weight: 1.1 lbsUpper ReceiverFully CNC machined from 7075-T6 billet aluminum for extreme precision and enhanced durability.Flat top picatinny design for versatility in mounting optics and other enhanced components.CNC engraved numbered rail system for indexing.M4 feed ramps and single feed ramp for large AR-15 calibers for added reliability.Compatible with MIL-spec lower receivers.Type III Class 2 hard coat anodized.Lower ReceiverFully CNC machined from 7075-T6 billet aluminum for extreme precision and enhanced durability.Front magwell grip surface designed for the operator to grip and maintain weapon control even in the most extreme conditions.Beveled magwell entry allows faster magazine changes.Tension device to increase rigidity between upper and lower receivers.Built in trigger guard eliminates the need for a flip down trigger guard.Compatible with MIL-spec upper receivers.Type III Class 2 hard coat anodized.