Guntec USA AR-15 Bolt Carrier Group - Mil-Spec - Nitride
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Guntec USA
Overview
The Guntec USA AR-15 Bolt Carrier Group features a mil-spec M16 style design, optimized for use with 5.56 NATO caliber ammunition. Its nitride finish enhances durability and corrosion resistance, ensuring that the components maintain their performance through rigorous use and adverse conditions. This type of bolt carrier group is commonly found in builds aimed at reliability and longevity, making it a solid choice for both tactical and competitive shooters.
Specifications
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Build history on GunPartPicker
Builders on GunPartPicker first added the Guntec USA AR-15 Bolt Carrier Group - Mil-Spec - Nitride to a build in May 2026.
It was hard to find in September 2026, in stock on only 5 of the 19 days we checked, and today the one retailer we track is out of stock. Prices barely moved in September 2026, holding around $174.49, so there haven't been real sales lately. Listed prices start at $174.49 at Optics Planet for when it comes back.
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