FAXON Firearms 8.5" 9mm Light Tapered AR-15 Barrel
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Faxon Firearms
Overview
The Faxon Firearms 8.5" 9mm Light Tapered AR-15 Barrel is designed specifically for blowback gas systems, making it an ideal choice for 9mm builds. With a tapered profile, it balances weight and rigidity, and the 1:10 twist rate ensures optimal stabilization for a variety of bullet weights. This barrel features a QPQ Nitride coating, enhancing its durability and resistance to corrosion. You’ll commonly find this barrel in compact, high-performance 9mm AR builds that prioritize maneuverability and reliability.
Specifications
FAXON Firearms 8.5" 9mm Light Tapered AR-15 Barrel
September 2026 on GunPartPicker
FAXON Firearms 8.5" 9mm Light Tapered AR-15 Barrel ranked #28 of the 250 barrels builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #57 of the 821 barrels builders have added. Builds with this barrel are nearly all chambered in 9mm, nearly all on blowback gas, and nearly all AR-9.
It was in stock most days in September 2026, and today 6 of the 7 retailers we track have it in stock. Prices barely moved in September 2026, holding around $103.49, so there haven't been real sales lately. Buying today, the lowest price is $103.49 at Ammunition Depot, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
Spike's Tactical Flat Top Upper w/ Ejection Port Door, 9MM, Black - SFT902D
FAXON Firearms 9mm AR-15 Bolt Carrier Group for Glock or Colt Magazines - Nitride
Spike's Tactical Spider 9mm AR-15 Lower - Colt
Yankee Hill Machine Co. Diamond Series Handguard, Carbine
VLTOR Mod 5 AR-15 Charging Handle - Small Latch
HUXWRX Stiction Lock Compensator 9mm 1/2x28 Nitride Black
Builds Featuring This Part
See all 2 →Builds in the community that include the Faxon Firearms 8.5" 9mm Light Tapered Ar-15 Barrel
| Build | Parts | Total |
|---|---|---|
 | 11 | $1501.94 |
 | 6 | $1040.58 |
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