The STT-15 Big Bore PILLAR Upper Receiver Combo is incredibly light coming in at 8.2oz. It features an enlarged ejection port to freely pass .458 SOCOM all the way up to .50 BEOWULF. San Tan Tactical the STT-15 Big Bore PILLAR upper receiver to overcome the shortcomings they saw in the current offerings. It needed to be lighter, stronger, and different, and all while looking good doing it. The STT-15 Big Bore PILLAR Billet Receiver Combo will accommodate a variety of big bore calibers and attaches to an STT-15 lower or any AR15 lower you currently have.
The STT-15 Lower receiver was designed out of necessity and a desire to have a true ambidextrous AR-15 \ M4 platform. Allowing it to accommodate any and all shooters without the need to add countless costly add-ons. Whether you are a right or left-handed shooter or forced to shoot with your off-hand, the STT-15 has you covered.
Features:
- True ambidextrous controls
- Machined from 7075-T651
- MIL-A-8625 Type III hard anodized
- Ultra tight tolerances for a superb fit
- Works with all Mil-Spec AR-15\M16 components znd lower parts kit
*Note: This item is a firearm and must be shipped to a FFL*
- FFL:
- Yes
