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Faxon Duty Series 16" Gunner .308 AR10 Barrel
The Faxon Duty Series 16" Gunner .308 AR10 Barrel is built for shooters who want a lighter, better-balanced large-frame rifle without giving up strength where it matters. Chambered in .308 Winchester, this barrel combines Faxon’s Gunner profile with 4150 CMV steel, QPQ nitride finishing, a mid-length gas system, and 5/8x24 muzzle threads.
This model, SKU 10A810M16NGQ, is a strong choice for builders who want a practical .308 setup for range use, hunting, training, or a lightweight LR-308 style build.
Built for a Practical .308 AR10 Setup
Large-frame rifles can become front-heavy quickly, especially when using traditional heavy-profile barrels. The 16-inch length helps keep the rifle compact and easier to handle, while still giving you the performance people expect from the .308 Winchester cartridge.
This barrel is a good fit for shooters who want a rifle that feels quicker, carries easier, and still has the durability needed for regular use.
Gunner Profile for Better Balance
Faxon’s Gunner profile is designed to keep material where it is needed most while reducing unnecessary forward weight. That helps the rifle feel more responsive compared with many standard .308 barrels.
The result is a barrel that offers practical strength, good handling, and a more balanced feel for real-world shooting applications.
4150 CMV Steel and QPQ Nitride Finish
This Duty Series barrel is made from 4150 CMV steel, a strong material choice for hard-use rifle barrels. Faxon finishes the barrel with QPQ salt bath nitride inside and out to help improve corrosion resistance, wear resistance, and long-term durability.
For shooters who want a dependable barrel without extra weight or unnecessary complexity, this combination makes sense.
Mid-Length Gas System
The mid-length gas system is well suited for a 16-inch .308 build. When paired with the right components, it can help create a smoother and more controllable shooting feel.
For tuned rifles or suppressed setups, an adjustable gas block may be worth considering. Always confirm your full parts combination before completing the build.
Product Details
Product: Faxon Duty Series Gunner Profile 16" Mid-Length .308 Win AR10 Barrel
SKU: 10A810M16NGQ
Platform: AR10 / LR-308
Caliber: .308 Winchester
Barrel Length: 16 inches
Profile: Gunner
Material: 4150 CMV steel
Rifling: Button rifled
Twist Rate: 1:10
Gas System: Mid-length
Gas Block Journal: .750 inch
Muzzle Threads: 5/8x24
Finish: QPQ salt bath nitride inside and out
Extension: LR-308 / DPMS compatible, black oxide finish
Crown: 11-degree target crown
Best For: Lightweight .308 builds, hunting rifles, range use, training rifles, and practical large-frame AR setups
LR-308 and DPMS Pattern Compatibility
This barrel is designed for LR-308 / DPMS pattern builds. Large-frame AR platforms are not as standardized as AR-15 platforms, so compatibility should always be checked before installation.
Confirm fitment with your receiver set, bolt, gas system, handguard, and muzzle device. If you are unsure, have the barrel reviewed by a qualified gunsmith or experienced AR10 armorer.
Why Choose This Faxon Barrel?
Choose this barrel if you want a 16-inch .308 barrel that keeps the rifle lighter and easier to manage. The Gunner profile improves handling, the mid-length gas system supports a smoother feel, and the nitride finish adds durability for long-term use.
It is a practical option for shooters who want a dependable Faxon barrel for a compact, balanced .308 build.
Frequently Asked Questions
What is this barrel best used for?
This barrel is best suited for lightweight .308 AR10 builds, hunting rifles, range use, training rifles, and practical large-frame AR setups.
Is this a .308 AR10 barrel?
Yes. This barrel is chambered in .308 Winchester and designed for AR10 / LR-308 pattern builds.
What is the benefit of a 16-inch .308 barrel?
A 16-inch barrel helps keep the rifle compact, balanced, and easier to handle while still using the performance of the .308 Winchester cartridge.
What is the Gunner profile?
The Gunner profile is a balanced barrel contour that keeps strength where it matters while reducing extra forward weight.
Is this barrel compatible with LR-308 and DPMS pattern receivers?
Yes. It is designed for LR-308 / DPMS pattern builds, but compatibility should always be confirmed with your receiver set and components.
What material is this barrel made from?
It is made from 4150 CMV steel.
What finish does this barrel use?
The barrel has a QPQ salt bath nitride finish inside and out for corrosion resistance, wear protection, and durability.
What gas system does it use?
This barrel uses a mid-length gas system.
What muzzle threads does it have?
It uses 5/8x24 muzzle threads, which are common for .30-caliber muzzle devices and compatible suppressor mounts.
Find the Right Barrel for Your AR-15 Build
Your barrel affects accuracy, balance, velocity, and how your rifle performs overall. Mounts Plus makes it easy to shop AR-15 barrels by caliber, length, profile, finish, and brand, whether you are building for range use, lightweight handling, suppressed setups, or precision performance.
Browse options for 5.56 NATO, .223 Wylde, 300 Blackout, and more from trusted manufacturers.
WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to - www.P65Warnings.ca.gov.
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