Cross Machine Tool UHP15 Billet AR-15 Stripped Lower Receiver
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Cross Machine Tool
Overview
The Cross Machine Tool Uhp15 Billet AR-15 Stripped Lower Receiver is designed for builders who appreciate the precision and aesthetics of a billet construction. This stripped lower features a hardcoat anodized finish for durability and resilience, making it a solid foundation for your AR-15 platform. With a standard trigger pin size of .154, it’s compatible with a wide range of trigger options, allowing for customization to meet specific performance needs. This lower receiver is commonly found in mid-length gas system builds chambered in 5.56 NATO, making it a versatile choice for those looking to create a reliable and functional rifle.
Specifications
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Build history on GunPartPicker
Builders on GunPartPicker first added the Cross Machine Tool UHP15 Billet AR-15 Stripped Lower Receiver to a build in November 2026.
Updated · from real builds on GunPartPicker
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Frequently Built With
The part most often added in each category by the builds that include this one
Triarc Systems Track 2.0 5.56 Mid-Length AR-15 Barrel - 14.5"
Hiperfire AR-15 Power Drop-In 2lb Trigger Black Nitride
Wilson Combat AR-15 Billet Upper Receiver
Battle Arms Development Rack Ambidextrous AR-15 Charging Handle - Mod C
Zev Technologies Wedge Lock AR-15 Handguard - 16.625"
Wilson Combat AR-15 Lo-Profile Gas Block .750" Black
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.
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