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Faxon Firearms
Overview
The Faxon Firearms AR-15 Gunner Barrel is a 14.5-inch pencil profile barrel designed for the 5.56 NATO caliber, making it lightweight and versatile for various applications. Its mid-length gas system provides a balance of reliability and recoil management, while the 1:8 twist rate ensures stable bullet performance across a range of projectile weights. This barrel is commonly found in builds prioritizing a mid-length gas system and chambered in 5.56 NATO, ideal for both tactical use and recreational shooting.
FAXON Firearms AR-15 Gunner Barrel, 14.5", 5.56 NATO, Mid-Length, 4150 QPQ
Builders have been adding the FAXON Firearms AR-15 Gunner Barrel, 14.5", 5.56 NATO, Mid-Length, 4150 QPQ to their builds on GunPartPicker since February 2026. All time, it ranks #372 of the 812 barrels builders have added.
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today all 7 retailers we track have it in stock. Prices barely moved in August 2026, holding around $149.49, so there haven't been real sales lately. Buying today, the lowest price is $147.99 at Palmetto State Armory, which matches the best price we saw in August.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
We ranked every barrel by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Barrel Length & Brand Report →Check it against the live catalog:
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Builds in the community that include the Faxon Firearms Ar-15 Gunner Barrel, 14.5", 5.56 Nato, Mid-Length, 4150 Qpq
| Build | Parts | Total |
|---|---|---|
![]() | 19 | $1652.82 |
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