Cross Machine Tool Upur-1LH Billet Left Handed AR-15 Upper Receiver
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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
Available Merchants(1)
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Stock Alert
October 2026 on GunPartPicker
Cross Machine Tool Upur-1LH Billet Left Handed AR-15 Upper Receiver ranked #360 of the 844 upper receivers builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #310 of the 2,066 upper receivers builders have added. Builds with this upper receiver are split between .223 Wylde (50%) and 5.56 NATO (33%), split between pistol-length (50%) and carbine-length (33%) gas systems, and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, but today the one retailer we track is out of stock. Prices barely moved in October 2026, holding around $198, with no real sale all month. Listed prices start at $198 at Primary Arms for when it comes back.
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
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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 builds →Builds in the community that include the Cross Machine Tool Upur-1lh Billet Left Handed Ar-15 Upper Receiver
| Build | Parts | Total |
|---|---|---|
 | 16 | $952.70 |
 | 20 | $2432.45 |
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