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 added the San Tan Tactical PILLAR Billet Upper Receiver - STT-PILLAR-1 to their builds on GunPartPicker. Since April 2026, it ranks #459 of the 2,068 upper receivers builders have added.
It was hard to find in October 2026, in stock on only 9 of the 17 days we checked, and today only Optics Planet has it in stock. Prices barely moved in October 2026, holding around $235.99, with no real sale all month. Buying today, the lowest price is $213.99 at Optics Planet, which matches the best price we saw in October.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
PSA AR-15 Complete Lower Magpul MOE EPT Edition - Flat Dark Earth, No Magazine
Midwest Industries Night Fighter Handguards M-LOK - Night Fighter M-LOK Handguard 9.25" Black
Rise Armament Ra-524 Blitz Performance Trigger Drop-In
SilencerCo 30 Cal Muzzle Brake - AC591
FAXON Firearms 5.56 M16 Bolt Carrier Group Nitride TIN PVD
Strike Industries Billet Ultimate AR-15 Dust Cover - Red
Builds Featuring This Part
See all builds →Builds in the community that include the San Tan Tactical PILLAR Billet Upper Receiver - STT-PILLAR-1
| Build | Parts | Total |
|---|---|---|
 | 12 | $1651.35 |
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