Proof Research152744972
Proof Bbl Ss Pr15 338Arc 16 Pistol .750 1-8$649.00
Availability: In Stock
The Proof Research 338 ARC barrel is a precision stainless steel component purpose-built for 338 ARC pistol builds seeking compact, hard-hitting performance. This 10-inch barrel pairs the ballistic potential of 338 ARC with a fast 1-8 twist rate, stabilizing modern 338 ARC ammunition and enabling consistent accuracy at intermediate ranges. With a pistol-length gas system and .750 gas journal diameter, it's engineered for AR-platform pistol configurations that prioritize barrel life and reliable cycling.
Proof Research barrels are known in precision rifle and pistol circles for consistent quality control and attention to detail. The stainless steel construction resists corrosion and handles the wear that comes with serious use—whether you're testing loads at the bench, running courses, or taking your build into the field. The 5/8-24 muzzle threading gives you compatibility with a wide range of muzzle devices, from suppressors to brakes and flash hiders, so you can tune the platform to your needs.
A 338 ARC pistol barrel of this profile works well for hunters and shooters who want a handy, powerful build that doesn't sacrifice ballistic advantage. The fast twist and compact length make it suitable for modern ammunition designed for the cartridge, while the pistol gas system keeps the action balanced for a shorter overall weapon. Whether you're building a truck gun, a specialized hunting pistol, or a range rig that handles real-world distances, this Proof barrel gives you the foundation for a functional, accurate platform.
| Caliber | 338 ARC |
| Barrel Length | 10 inches |
| Twist Rate | 1-8 |
| Gas System | Pistol |
| Gas Journal Diameter | .750 |
| Muzzle Thread | 5/8-24 |
This Proof Research barrel is designed for AR-platform pistol builds chambered in 338 ARC. It features a .750 gas journal and pistol-length gas system, so verify your upper receiver and gas tube are configured for those specs. The 5/8-24 muzzle threads accept standard suppressors and muzzle devices in that size.
The 1-8 twist rate is optimized to stabilize modern 338 ARC ammunition. This fast twist supports a wide range of bullet weights and designs available in the cartridge, giving you flexibility with ammunition selection.
Yes. A 338 ARC pistol with a 10-inch barrel offers substantial power and velocity for hunting applications, with the advantage of a compact form factor. Verify your local regulations and hunting eligibility for this caliber and gun type in your area.
Yes, the barrel is constructed from stainless steel, which resists corrosion and provides durability for extended use in varied conditions.
SKU: 152744519 • Weight: 2.25oz
Availability: In Stock
The Proof Research 338 ARC barrel is a precision stainless steel component purpose-built for 338 ARC pistol builds seeking compact, hard-hitting performance. This 10-inch barrel pairs the ballistic potential of 338 ARC with a fast 1-8 twist rate, stabilizing modern 338 ARC ammunition and enabling consistent accuracy at intermediate ranges. With a pistol-length gas system and .750 gas journal diameter, it's engineered for AR-platform pistol configurations that prioritize barrel life and reliable cycling.
Proof Research barrels are known in precision rifle and pistol circles for consistent quality control and attention to detail. The stainless steel construction resists corrosion and handles the wear that comes with serious use—whether you're testing loads at the bench, running courses, or taking your build into the field. The 5/8-24 muzzle threading gives you compatibility with a wide range of muzzle devices, from suppressors to brakes and flash hiders, so you can tune the platform to your needs.
A 338 ARC pistol barrel of this profile works well for hunters and shooters who want a handy, powerful build that doesn't sacrifice ballistic advantage. The fast twist and compact length make it suitable for modern ammunition designed for the cartridge, while the pistol gas system keeps the action balanced for a shorter overall weapon. Whether you're building a truck gun, a specialized hunting pistol, or a range rig that handles real-world distances, this Proof barrel gives you the foundation for a functional, accurate platform.
| Caliber | 338 ARC |
| Barrel Length | 10 inches |
| Twist Rate | 1-8 |
| Gas System | Pistol |
| Gas Journal Diameter | .750 |
| Muzzle Thread | 5/8-24 |
This Proof Research barrel is designed for AR-platform pistol builds chambered in 338 ARC. It features a .750 gas journal and pistol-length gas system, so verify your upper receiver and gas tube are configured for those specs. The 5/8-24 muzzle threads accept standard suppressors and muzzle devices in that size.
The 1-8 twist rate is optimized to stabilize modern 338 ARC ammunition. This fast twist supports a wide range of bullet weights and designs available in the cartridge, giving you flexibility with ammunition selection.
Yes. A 338 ARC pistol with a 10-inch barrel offers substantial power and velocity for hunting applications, with the advantage of a compact form factor. Verify your local regulations and hunting eligibility for this caliber and gun type in your area.
Yes, the barrel is constructed from stainless steel, which resists corrosion and provides durability for extended use in varied conditions.
SKU: 152744519 • Weight: 2.25oz