San Tan Tactical STT-15 Pillar Receiver Set — Multi, Black

The San Tan Tactical STT-15 Pillar Receiver Set is a matched lower and upper receiver configuration offered as a pillar-style assembly. San Tan Tactical states the set is produced using American-made materials and precision machining. The set is finished in black and is listed for multi-caliber use by the manufacturer.

Key Specifications

• The action is listed as Semi-Auto.
• The caliber/gauge is listed as Multi.
• The model is STT-15.
• The color/finish is Black.
• The product type is a Lower/Upper Set.
• The subcategory is Lower Receivers.
• The manufacturer is San Tan Tactical.
• The configuration is described as a Pillar Receiver Set.
• The manufacturer states the set is produced with American-made materials.

This matched receiver set is intended for builders and shooters who prefer a coordinated lower and upper assembly with a pillar-style configuration. Its multi-caliber listing and American-made materials make it a practical option for custom builds where component compatibility and material origin matter. Consider this STT-15 pillar receiver set when assembling a reliable, well-specified platform as part of a focused build project.