Cross Machine Tool UPUR-3 Big Bore Billet AR-15 Upper Receiver - Slick Side No Dust Cover
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Overview
The Cross Machine Tool UPUR-3 Big Bore Billet AR-15 Upper Receiver - Slick Side No Dust Cover is a upper receiver. Compare prices from multiple merchants and find the best deal.
Specifications
Cross Machine Tool UPUR-3 Big Bore Billet AR-15 Upper Receiver - Slick Side No Dust Cover
October 2026 on GunPartPicker
Cross Machine Tool UPUR-3 Big Bore Billet AR-15 Upper Receiver - Slick Side No Dust Cover ranked #360 of the 844 upper receivers builders added on GunPartPicker in October 2026. Builders on GunPartPicker first added it to a build in August 2026.
It was in stock most times we checked in October 2026, and today both retailers we track have it in stock. Prices barely moved in October 2026, holding around $131, with no real sale all month. Buying today, the lowest price is $131 at AR15 Discounts, 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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