FAXON Firearms AR-15 Gunner Barrel, 16", 5.56 NATO, Mid-Length, 4150 QPQ
All Faxon Firearms barrels2 options
- Standard, this page
- FDEout of stock
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Faxon Firearms
Overview
The Faxon Firearms AR-15 Gunner Barrel is a 16-inch pencil-profile barrel designed for the 5.56 NATO caliber, making it a lightweight option for builders looking to maintain maneuverability without sacrificing performance. With a mid-length gas system and a 1:8 twist rate, this barrel optimizes reliability and accuracy, ensuring effective cycling and stability for a variety of bullet weights. This barrel is commonly found in builds that prioritize a balance of lightweight construction and reliable function in 5.56 NATO configurations.
Specifications
FAXON Firearms AR-15 Gunner Barrel, 16", 5.56 NATO, Mid-Length, 4150 QPQ
2 options
- Standard, this page
- FDEout of stock
Available Merchants(10)
Prices checked
Price Alert
September 2026 on GunPartPicker
FAXON Firearms AR-15 Gunner Barrel, 16", 5.56 NATO, Mid-Length, 4150 QPQ ranked #12 of the 250 barrels builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since January 2026. All time, it ranks #29 of the 923 barrels builders have added. Builds with this barrel are nearly all chambered in 5.56 NATO, nearly all on mid-length gas, and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today all 10 retailers we track have it in stock. It dipped to $134.33 at Sportsmans Outdoor Superstore for a stretch in September 2026, under its usual $146 to $146.20, so sales do come around. Buying today, the lowest price is $154.80 at AT3 Tactical, above September's low of $134.33, 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
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PSA AR-15 "Stealth" Stripped Lower Receiver
Bravo Company M16 Bolt Carrier Group Black
Wilson Combat Charging Handle AR15 Mil-Spec
Wilson Combat AR-15 M-LOK Handguard - Black - 15"
Bravo Company Pnt Trigger
Builds Featuring This Part
See all builds →Builds in the community that include the Faxon Firearms Ar-15 Gunner Barrel, 16", 5.56 Nato, Mid-Length, 4150 Qpq
| Build | Parts | Total |
|---|---|---|
 | 19 | $1164.29 |
 | 26 | $1840.32 |
 | 9 | $484.71 |
 | 28 | $2177.05 |
 | 12 | $1243.43 |
 | 20 | $947.95 |
 | 19 | $1464.84 |
| 21 | $1130.47 |
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