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FN America
Overview
The FN AR-15 HF M4 Barrel is a 16-inch barrel designed for the 5.56 NATO caliber, featuring an M4 profile that provides a balance of weight and rigidity. With a carbine-length gas system and a twist rate of 1:7, this barrel is optimized for stabilizing a variety of bullet weights, making it versatile for different shooting applications. Commonly, this barrel is utilized in builds focused on tactical or general purpose use, where reliability and performance are key considerations.
Specifications
Available Merchants(7)
Prices checked
Price Alert
Build history on GunPartPicker
Builders have been adding the FN America FN AR-15 Hf M4 Barrel 16 Carbine 5.56mm to their builds on GunPartPicker since June 2026. All time, it ranks #195 of the 839 barrels builders have added.
It was in stock most days in September 2026, and today 5 of the 7 retailers we track have it in stock. The best price drifted down from $349 to $287.49 over September 2026 without a real sale. Buying today, the lowest price is $298.95 at KY Gun Company.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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