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FN America
Overview
The FN America AR-15 HF M4 Barrel features a 14.7-inch length and is designed for 5.56 NATO caliber, making it a solid choice for building a compact yet effective rifle. With an M4 profile and a carbine-length gas system, this barrel provides a balance of weight and performance, while the 1:7 twist rate ensures optimal stabilization for a variety of bullet weights. This barrel is commonly found in builds aimed at versatility and maneuverability, particularly in tactical or home defense applications.
Specifications
Available Merchants(5)
Prices checked
Price Alert
Price and stock
The FN America FN AR-15 Hf M4 Barrel 14.7 Carbine 5.56mm was hard to find in September 2026, in stock on only 14 of the 25 days we checked, and today 3 of the 5 retailers we track have it in stock. It dipped to $298.95 at KY Gun Company for a stretch in September 2026, well under its usual $349, so sales do come around. Buying today, the lowest price is $298.95 at KY Gun Company, which matches the best price we saw in September.
Prices checked · refreshed daily across 37 retailers
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