San Tan Tactical STT-15 Pillar Receiver Set

The San Tan Tactical STT-15 Pillar Receiver Set is a matched lower and upper receiver pair produced by San Tan Tactical. It is machined with attention to fit and finish and is supplied as a set intended for AR-15 platform builds. The receivers are finished in black and are presented as a complete receiver set rather than individual components. San Tan Tactical describes use of precision machining and American-made materials in their manufacturing process.

Key Specifications

• The manufacturer is San Tan Tactical.
• The model is STT-15.
• The product type is a Lower/Upper Set.
• The action is listed as Semi-Auto.
• The caliber/gauge is listed as Multi.
• The subcategory is Lower Receivers.
• The color/finish is Black.
• The category is AR15 Lowers.
• The set includes matched lower and upper receivers.

Designed as the foundational components for an AR-15 style build, the STT-15 Pillar Receiver Set offers a precision-machined pairing with a straightforward black finish. Its matched construction provides a solid starting point for custom assembly or replacement, appealing to builders who prioritize fit, consistency, and American-made materials in their receiver components.