3 consecutive serial number Superior Arms AR15 stripped lower receivers.
•Forged 7075-T6 Aluminum
•Military Specification hard coat anodized Per MIL-A-8625 Type III Class 2
•Statistically documented (SPC) quality plan assuring repeatable mil spec features and locations using a state of the art Coordinate measuring Machine
•Secondary set screw located in the pistol grip for trigger preset. This allows a tunable match trigger from a standard GI trigger
Additional features of the S-15 Lower receiver:
Trigger creep adjustment with screw, for those who wish to take all the play out of the trigger for a clean crisp break.
Buyer pays actual shipping charges.