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Cross Machine Tool
Overview
The Cross Machine Tool M16 Complete Bolt Carrier Group is designed for the 5.56 NATO caliber, offering a robust and reliable option for your AR-15 build. Its M16 style ensures compatibility with a range of lower receivers while the nitride finish enhances durability and resistance to wear. This component is commonly found in builds focused on versatility and performance, making it a solid choice for various applications.
Prices checked
The Cross Machine Tool M16 Complete Bolt Carrier Group - Nitride was hard to find in September 2026, in stock on only 4 of the 12 days we checked, and today the one retailer we track is out of stock. Prices barely moved in September 2026, holding around $129, so there haven't been real sales lately. Listed prices start at $129 at Primary Arms for when it comes back.
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