Pete Rickard115649541
PROOF BBL Q FIX CF 16" 1-10 Twist .308 WIN Barrel$1,124.06
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Availability: In Stock
The Proof Research .308 Win 16" carbon fiber barrel is a lightweight precision upgrade built for shooters who demand accuracy without the bulk. This 16.5-inch barrel combines Proof's renowned carbon fiber construction with a 1-in-10 twist rate optimized for .308 Winchester hunting and target loads. It's configured specifically for Accuracy International chassis systems (AX308, AT, AW, AE short-action models), making it a direct fit for upgrading existing builds or assembling a new precision rifle platform.
Carbon fiber barrels have become the go-to choice for long-range hunters and competition shooters who want to reduce overall rifle weight without sacrificing rigidity or thermal stability. At just over 2 pounds, this Proof barrel shaves significant weight compared to traditional steel, a real advantage during extended field days or when shooting off barriers and bags. The 1-in-10 twist handles the full spectrum of modern .308 ammunition, from lighter varmint rounds to heavy match-grade loads.
This barrel ships with M27 breech threading for AI compatibility and 5/8x24 muzzle threads, standard for suppressors and muzzle devices. Whether you're building a dedicated long-range rig or updating a proven AI platform, the engineering and accuracy reputation behind Proof Research barrels has made them a trusted name among precision rifle builders.
| Caliber | .308 Winchester |
| Barrel Length | 16.5 inches |
| Twist Rate | 1 in 10 |
| Breech Thread | M27 |
| Muzzle Thread | 5/8 x 24 |
| Weight | 2 lbs 5 oz |
| Compatible Platforms | Accuracy International AX308, AT, AW, AE (short-action) |
Yes, this barrel is designed for Accuracy International short-action models including the AX308, AT, AW, and AE. The M27 breech thread is the standard for these platforms.
The 5/8x24 muzzle threading accommodates standard suppressors, brakes, and flash hiders in that thread pattern, which is common for .308 caliber rifles.
The 1-in-10 twist rate works across the broad range of .308 Winchester ammunition available, making it versatile for both hunting and target applications.
At 2 lbs 5 oz, Proof's carbon fiber construction is significantly lighter than traditional steel barrels of comparable length, reducing overall rifle weight for improved handling in the field.
SKU: 144599600 • Weight: 3.55oz
Availability: In Stock
The Proof Research .308 Win 16" carbon fiber barrel is a lightweight precision upgrade built for shooters who demand accuracy without the bulk. This 16.5-inch barrel combines Proof's renowned carbon fiber construction with a 1-in-10 twist rate optimized for .308 Winchester hunting and target loads. It's configured specifically for Accuracy International chassis systems (AX308, AT, AW, AE short-action models), making it a direct fit for upgrading existing builds or assembling a new precision rifle platform.
Carbon fiber barrels have become the go-to choice for long-range hunters and competition shooters who want to reduce overall rifle weight without sacrificing rigidity or thermal stability. At just over 2 pounds, this Proof barrel shaves significant weight compared to traditional steel, a real advantage during extended field days or when shooting off barriers and bags. The 1-in-10 twist handles the full spectrum of modern .308 ammunition, from lighter varmint rounds to heavy match-grade loads.
This barrel ships with M27 breech threading for AI compatibility and 5/8x24 muzzle threads, standard for suppressors and muzzle devices. Whether you're building a dedicated long-range rig or updating a proven AI platform, the engineering and accuracy reputation behind Proof Research barrels has made them a trusted name among precision rifle builders.
| Caliber | .308 Winchester |
| Barrel Length | 16.5 inches |
| Twist Rate | 1 in 10 |
| Breech Thread | M27 |
| Muzzle Thread | 5/8 x 24 |
| Weight | 2 lbs 5 oz |
| Compatible Platforms | Accuracy International AX308, AT, AW, AE (short-action) |
Yes, this barrel is designed for Accuracy International short-action models including the AX308, AT, AW, and AE. The M27 breech thread is the standard for these platforms.
The 5/8x24 muzzle threading accommodates standard suppressors, brakes, and flash hiders in that thread pattern, which is common for .308 caliber rifles.
The 1-in-10 twist rate works across the broad range of .308 Winchester ammunition available, making it versatile for both hunting and target applications.
At 2 lbs 5 oz, Proof's carbon fiber construction is significantly lighter than traditional steel barrels of comparable length, reducing overall rifle weight for improved handling in the field.
SKU: 144599600 • Weight: 3.55oz