Cross Machine Tool Upur-1LH Billet Left Handed AR-15 Upper Receiver
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Cross Machine Tool
Overview
The Cross Machine Tool Upur-1LH Billet Left Handed AR-15 Upper Receiver is a upper receiver. Compare prices from multiple merchants and find the best deal.
Specifications
Cross Machine Tool Upur-1LH Billet Left Handed AR-15 Upper Receiver
August 2026 on GunPartPicker
Cross Machine Tool Upur-1LH Billet Left Handed AR-15 Upper Receiver ranked #109 of the 690 upper receivers builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #267 of the 1,642 upper receivers builders have added. Builds with this upper receiver are split between 300 Blackout (50%) and 5.56 NATO (50%), mostly on pistol-length gas (67%, then carbine-length 33%), and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today the one retailer we track has it in stock. Prices barely moved in August 2026, holding around $198, so there haven't been real sales lately. Buying today, the lowest price is $198 at Primary Arms, which matches the best price we saw in August.
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 11 builds that include this one
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Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all 2 →Builds in the community that include the Cross Machine Tool Upur-1lh Billet Left Handed Ar-15 Upper Receiver
| Build | Parts | Total |
|---|---|---|
 | 16 | $885.41 |
 | 20 | $2457.53 |
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