The San Tan Tactical STT-15 Pillar is a true ambidextrous AR-15 billet stripped lower in OD Green Type III hard anodize.
Machined from 7075-T651 aluminum, it includes ambi bolt and magazine releases, QD sling points with anti-rotation stops, an oversized winter trigger guard, 1.38″ flared magwell, and weighs about 1 lb 3.4 oz.
Specifications
- Brand: San Tan Tactical
- Model: STT-15 Pillar
- Manufacturer Part #: STT15-LOWER-ANO-OD
- UPC: 687051693506
- Type: Stripped Lower Receiver
- Material: 7075-T651 billet aluminum
- Finish: OD Green Type III hard anodize
- Caliber: Multi (5.56/.223 pattern)
- Weight: 1 lb 3.4 oz
- Controls: Ambidextrous bolt and magazine release
Ships to a licensed FFL dealer for transfer. The buyer must pass the required background check and meet all federal, state and local laws.









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