Lead Star Arms LSA-15 AR-15 Receiver Set, Black

Build an LSA-15 AR-15 into any configuration with Lead Star Arms premium receiver sets. Now you have the freedom to choose your own trusted parts and build the rifle of your dreams! Upper Receiver Features:Precision CNC machined from 7075-T6 billet aluminum.Lead Star's truss system design reinforces key areas for increased strength without added weight.Flat top Picatinny design for versatility in mounting optics and other enhanced components.CNC engraved numbered rail system for indexing.M4 feed ramps for added reliability.Designed to be compatible with MIL-spec lower receivers so it can be used, if necessary, but lines will not match.Lower Receiver Features:Fully CNC machined from 7075-T6 billet aluminum for extreme precision and enhanced durability.Lead Star's truss system design reinforces key areas for increased strength without added weight.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.Designed to be compatible with MIL-spec upper receivers so it can be used, if necessary, but lines will not match.