Build your 10MM AR platform with confidence using the Delta Deals Finish Your Build Kit. This complete bundle combines a Mil-Spec AR-15 lower parts kit, heavy-duty 10MM pistol buffer tube assembly, dedicated 10MM/.40 S&W bolt carrier group, and an ambidextrous charging handle into one convenient package. Designed specifically for direct blowback pistol caliber platforms, these components work together to provide dependable reliability, smooth cycling, and straightforward installation. Whether you're completing a new build or upgrading an existing firearm, this kit provides the core operating components needed for a durable and dependable 10MM AR pistol or pistol caliber carbine.
This kit is built around a dedicated direct blowback operating system designed specifically for 10MM Auto and .40 S&W platforms. The included bolt carrier group is manufactured from durable alloy steel with a nitride finish for increased wear and corrosion resistance while delivering consistent cycling under heavy use. Paired with the heavy 8 oz buffer and pistol buffer assembly, the operating system is optimized to help control bolt velocity and promote reliable function across a wide range of ammunition.
The included Mil-Spec lower parts kit supplies the essential components required to complete a stripped AR-15 lower receiver, including the fire control group, controls, pins, springs, and A2 pistol grip. Completing the package is an ambidextrous charging handle that allows fast, intuitive manipulation from either side of the firearm, making reloads and malfunction clearance easier for both right- and left-handed shooters. Together, these components provide a dependable foundation for virtually any 10MM AR build.
Follow safe handling and manufacturer instructions. Ensure compliance with all applicable laws. Lower receiver not included. Verify ammunition compatibility with your 10mm barrel before operation.
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