Bushmaster XM-15 Complete 5.56x45mm Upper Receiver 16" Barrel - 00-400003-Black
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Bushmaster
Overview
The Bushmaster XM-15 Complete Upper Receiver features a 16-inch barrel chambered in 5.56 NATO, making it a solid choice for a reliable and versatile AR-15 setup. This complete assembly allows builders to easily attach it to their lower receiver, ensuring compatibility and performance right out of the box. This upper is commonly found in general-purpose builds, ideal for both range shooting and home defense scenarios.
Specifications
Bushmaster XM-15 Complete 5.56x45mm Upper Receiver 16" Barrel - 00-400003-Black
Available Merchants
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Build history on GunPartPicker
Builders on GunPartPicker first added the Bushmaster XM-15 Complete 5.56x45mm Upper Receiver 16" Barrel - 00-400003-Black to a build in June 2026.
Updated · from real builds on GunPartPicker
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