Description
These lowers can be shipped to CALIFORNIA
Precision machined by STS, the SX3 stripped lower is a bare bones version of the SX3 complete. This lower is machined from a solid block of T6 51 7075 billet aluminum.
STS SX3 Enhanced Billet Lower Receiver
Type 3 Hard Anodizing
T6 51 7075 Aluminum





SPG SA9121 M1A M21 TACT 308 WAL/CRBN