Cross Machine Tool Ultra Precision AR-15 Billet Upper Receiver - No Forward Assist
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Cross Machine Tool
Overview
The Cross Machine Tool Ultra Precision AR-15 Billet Upper Receiver is a stripped slick side receiver designed for builders looking to create a clean, streamlined upper. Without a forward assist, this receiver emphasizes simplicity and weight savings, making it ideal for competitive shooting or tactical applications where every ounce counts. This upper receiver is commonly found in builds chambered for the 5.56 NATO caliber, offering a solid foundation for a reliable and accurate rifle.
Specifications
Cross Machine Tool Ultra Precision AR-15 Billet Upper Receiver - No Forward Assist
Available Merchants(3)
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Build history on GunPartPicker
Builders have been adding the Cross Machine Tool Ultra Precision AR-15 Billet Upper Receiver - No Forward Assist to their builds on GunPartPicker since February 2026. All time, it ranks #318 of the 1,652 upper receivers builders have added.
It was out of stock everywhere we track for all of September 2026, and today none of the 3 retailers we track has it in stock right now.
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
American Defense Manufacturing AR-15 Uic Stripped Lower Receiver Ambidextrous
Magpul MOE K2 Grip Polymer Gray
5.56 Lightweight 9310 Bolt Carrier Complete Nitride
Enhanced Ejection Port Cover Black
LMT AR-10 / SR-25 Ambidextrous Charging Handle
TPS Arms AR-15 Safety Selector, Black - AR1033
Builds Featuring This Part
See all 2 →Builds in the community that include the Cross Machine Tool Ultra Precision AR-15 Billet Upper Receiver - No Forward Assist
| Build | Parts | Total |
|---|---|---|
 | 18 | $4218.05 |
 | 13 | $830.98 |
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