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FN America
Overview
The FN AR-15 M16 Barrel features a 16-inch Government profile designed for 5.56 NATO caliber, making it ideal for a variety of applications. With a carbine-length gas system and a twist rate of 1:7, this barrel enhances stability and accuracy with a wide range of bullet weights. This barrel is commonly found in builds that prioritize a carbine gas system and utilize the 5.56 NATO caliber for versatile performance.
Specifications
Available Merchants(7)
Prices checked
Price Alert
Build history on GunPartPicker
Builders have been adding the FN America FN AR-15 M16 Barrel 16 Carbine 5.56mm to their builds on GunPartPicker since March 2026. All time, it ranks #145 of the 839 barrels builders have added.
It was in stock most days in September 2026, but today 3 of the 7 retailers we track have it in stock. The best price crept up from $226.49 to $279 over September 2026. Buying today, the lowest price is $241.50 at KY Gun Company, above September's low of $226.49, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
Yankee Hill Machine .223 Rem/5.56 Flat Top Stripped Upper Receiver, Hardcoat Anodized Matte Black - 110
PSA AR-15 "M16A4" Stripped Lower Receiver
Double Star AR-15 A2 Handguard Polymer Black
CMMG ZEROED Adjustable Gas Block .750"
Radian Weapons AR-15 Raptor SD-SL Ambidextrous Charging Handle Black
PSA AR-15 Bolt Carrier Group 5.56 Full-Auto Nitride MPI - 516446953
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