Santan Stt-15 Pillar Upper Receiver Polymer Tip Other features include adjustable leg

Other features include adjustable leg cuffs

Adjustment Type: Length of Pull

Battery cable stripping from 8 AWG to 4/0 AWG (8 to 107mm2)

1Ss (warm)

Santan Stt-15 Pillar Upper Receiver Polymer Tip Other features include adjustable legThe STT PILLAR upper receiver is the lightest billet upper available today! STT wanted to create something better, something different. Being better was not enough STT needed to design an upper that overcame the shortcomings seen in the current offerings . It needed to be lighter, stronger, and different, and all while looking good doing it. SST wasnt going to settle for just hacking another receiver out of a block and calling it good. The first thing