Faxon Duty Series 16 inch .450 Bushmaster Gunner Big Bore barrel, carbine-length gas

FAXON DUTY SERIES GUNNER PROFILE 16" CARBINE-LENGTH .450 BUSHMASTER AR15 BARREL

Faxon
SKU:
15A45016C16NGQ
|
UPC:
816341024250
$280.00
(1 review)
Current Stock:
Description

Faxon Duty Series — 16" Gunner Profile .450 Bushmaster AR-15 Barrel (Carbine-Length Gas)

4150 CMV Steel • Gunner Big Bore Profile • 1:16 Twist • Nitride Finish • 11/16x24 Threads • .875 Gas Block

The Faxon Duty Series 16" .450 Bushmaster Gunner Big Bore barrel delivers big-bore stopping power for your AR-15. Combining Faxon’s Gunner Big Bore profile with a carbine-length gas system, this barrel balances strength, accuracy, and reliability.

Built from 4150 CMV steel and finished inside and out with Salt Bath Nitride, this barrel offers exceptional corrosion resistance and long-term performance. Each Faxon barrel is stress relieved, air-gauge tested, and Magnetic Particle Inspected (MPI) for consistent accuracy and safety.

Key Benefits

  • Big Bore Power: Designed for hunters and shooters demanding massive terminal energy in .450 Bushmaster.
  • 4150 CMV Steel: Military-grade strength and heat tolerance for long service life.
  • Gunner Big Bore Profile: Balances rigidity and weight savings for optimal handling.
  • Carbine Gas System: Tuned for reliable cycling and consistent recoil control.
  • Nitride Finish: Protects against corrosion, wear, and fouling in harsh conditions.
  • Precision QC: Fully stress relieved, MPI inspected, and headspace verified.

Specifications

Caliber / Chamber
.450 Bushmaster
Length
16"
Twist Rate
1:16 Right-Hand Twist
Profile
Gunner (Big Bore)
Gas System
Carbine-Length
Material
4150 CMV Steel
Rifling Method
Button Rifled
Finish
Salt Bath Nitride (Inside & Out)
Muzzle Threads
11/16x24
Gas Block Diameter
.875"
Gas Block Journal Length
1.1"
Barrel Extension
Big Bore Barrel Extension
Weight
1.72 lbs
Crown
11° Target Crown

Frequently Asked Questions

What makes the .450 Bushmaster ideal for hunting?
The .450 Bushmaster delivers impressive energy and straight-wall cartridge performance, making it legal and effective for big-game hunting in many states.
Why choose the Gunner Big Bore profile?
It combines the rigidity and heat control of a heavy barrel with strategic weight reduction for better balance and faster target transitions.
Is this barrel compatible with standard AR-15 receivers?
Yes. It fits standard AR-15 upper receivers and bolts designed for the .450 Bushmaster cartridge.

Overview: 16" Duty Series .450 Bushmaster Gunner Big Bore Barrel

The Faxon Duty Series 16" Gunner Big Bore .450 Bushmaster barrel brings power and precision to the AR-15 platform. Constructed from 4150 CMV steel and Nitride treated inside and out, this barrel ensures long-lasting accuracy and durability.

Its Gunner Big Bore profile, carbine-length gas system, and 11° target crown deliver reliable cycling and excellent downrange performance, perfect for hunting or range use.

Additional Information
Barrel Material:
4150 CMV
Barrel Type:
Button Rifled
Caliber:
450 Bushmaster
Barrel Length:
16"
Barrel Twist:
1:16
Barrel Profile:
Gunner Big Bore
Barrel Gas System:
Carbine
Outside Finish:
QPQ Nitride
Muzzle Thread:
11/16x24
Gas Block Diameter:
.875"
Gas Block Journal Length:
1.1"
Barrel Extension:
Big Bore
Weight:
1.72 lbs
Crown Type:
Recessed 11-degree Target Crown
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Reviews

  • 5
    450 barrel

    Posted by Larry Staley on Mar 25th 2022

    More accurate than expected, very pleasant surprise fully recommend, deer living in absolute fear.