FAXON Firearms Duty Series AR-15 5.56 NATO 16in Upper Receiver Gunner Mid Length 1-8 Twist 1/2x28 without BCG Black
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Faxon Firearms
Overview
The Faxon Firearms Duty Series AR-15 upper receiver is a complete assembly designed for the 5.56 NATO caliber, featuring a 16-inch barrel with a mid-length gas system. The 1:8 twist rate provides versatility in stabilizing a wide range of bullet weights, making it an excellent choice for various shooting applications. This upper receiver is commonly used in builds focused on reliability and performance, particularly those intended for duty use or general-purpose shooting.
Specifications
FAXON Firearms Duty Series AR-15 5.56 NATO 16in Upper Receiver Gunner Mid Length 1-8 Twist 1/2x28 without BCG Black
Build history on GunPartPicker
Builders have been adding the FAXON Firearms Duty Series AR-15 5.56 NATO 16in Upper Receiver Gunner Mid Length 1-8 Twist 1/2x28 without BCG Black to their builds on GunPartPicker since May 2026. All time, it ranks #283 of the 1,683 upper receivers builders have added.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today only Primary Arms has it in stock. Prices barely moved in September 2026, holding around $490, so there haven't been real sales lately. Buying today, the lowest price is $490 at Primary Arms, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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