





Availability: In Stock
A PROOF Research stainless steel barrel in 300 PRC is a precision component built for long-range hunters and competitive shooters who demand consistency. This 26-inch barrel is engineered with a 1:9 twist rate, the standard stabilizer for modern 300 PRC loads, and finished in durable stainless steel to resist corrosion and temperature swings in the field. Whether you're building a custom bolt-action rifle or upgrading an existing platform, this barrel delivers the accuracy foundation that separates solid shooting from match-winning performance.
PROOF Research has earned trust among precision shooters for manufacturing barrels to exacting tolerances. Stainless construction means you get corrosion resistance without sacrificing the thermal consistency that matters in long-range work. The 26-inch length is the sweet spot for 300 PRC ballistics—long enough to unlock the cartridge's velocity potential, but manageable for most hunting and range rifles. Threading is 5/8-24, the industry standard for modern muzzle devices.
If you're stepping into 300 PRC or building a precision platform from the ground up, a quality barrel is non-negotiable. This one is sized and twisted to get the best from the cartridge without compromise.
| Caliber | 300 PRC |
| Barrel Length | 26 inches |
| Twist Rate | 1:9 |
| Material | Stainless Steel |
| Muzzle Thread | 5/8-24 |
| Action Type | Bolt Action |
The 1:9 twist on this PROOF Research barrel is the standard rate for 300 PRC and will stabilize the range of bullets commonly used in the cartridge, from lighter target loads to heavy hunting rounds.
Yes, if your suppressor has a 5/8-24 mount. This is the industry-standard muzzle thread for modern centerfire barrels.
Stainless resists rust and corrosion in wet field conditions and maintains thermal stability better than some other finishes, which helps with accuracy consistency over multiple shots.
The 26-inch length allows the slower-burning powders used in 300 PRC to achieve their full velocity potential, giving you better downrange performance than shorter barrels without becoming unwieldy in the field.

SKU: 115740103 • Weight: 3oz