San Tan Tactical PILLAR Billet Upper Receiver - STT-PILLAR-1
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San Tan Tactical
Overview
The San Tan Tactical PILLAR Billet Upper Receiver is a stripped upper designed specifically for the AR-15 platform, crafted from high-quality billet aluminum. This receiver type offers enhanced rigidity and a precision fit, which is crucial for builders looking to achieve optimal accuracy and performance in their builds. This upper is often favored in custom builds that prioritize weight savings and a sleek aesthetic.
Specifications
Build history on GunPartPicker
Builders have been adding the San Tan Tactical PILLAR Billet Upper Receiver - STT-PILLAR-1 to their builds on GunPartPicker since April 2026. All time, it ranks #375 of the 1,642 upper receivers builders have added.
It was hard to find in August 2026, in stock on only 7 of the 15 days we checked, and today only Optics Planet has it in stock. Prices barely moved in August 2026, holding around $206.50, so there haven't been real sales lately. Buying today, the lowest price is $233.99 at Optics Planet, above August's low of $206.50, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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Frequently Built With
The part most often added in each category by the 4 builds that include this one
Strike Industries AR-15 Gas Tube - Rifle Length
Aero Precision AR-15 Breach Charging Handle Ambidextrous Small Levers
FAXON Firearms 5.56 M16 Bolt Carrier Group Nitride TIN PVD
Strike Industries Billet Ultimate AR-15 Dust Cover - Red
FAXON Firearms 300 AAC Blackout 1-8 Twist 10.5" Barrel
Midwest Industries Night Fighter Handguards M-LOK - Night Fighter M-LOK Handguard 9.25" Black
Builds Featuring This Part
See all 1 →Builds in the community that include the San Tan Tactical PILLAR Billet Upper Receiver - STT-PILLAR-1
| Build | Parts | Total |
|---|---|---|
 | 12 | $1652.30 |
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