Introducing the PROOF RESEARCH pre-fit steel barrels, meticulously engineered for seamless compatibility with the Impact precision 737R, 787R and NBK/777R actions. Designed for straightforward installation, these barrels require minimal specialized tools, making them an ideal choice for both seasoned gunsmiths and DIY enthusiasts. Each barrel is expertly chambered and threaded, allowing for a hassle-free setup - simply torque it on, verify headspace with the appropriate Gauges and you're ready to hit the range. Experience unparalleled shot-for-shot accuracy and performance with our steel pre-fit barrels, crafted to elevate your shooting experience. Whether you're a competitive shooter or a precision enthusiast, these barrels are the ultimate enhancement for your Impact precision actions, ensuring consistent results and superior reliability. Choose PROOF RESEARCH for a perfect blend of innovation, precision and durability.

Exhibits exceptional durability with superior erosion resistance and corrosion protection
The material exhibits exceptional pressure resistance, characterized by an optimal blend of high-tensile strength and necessary toughness to endure the extreme chamber pressures experienced during firing
1:7.5 barrel twist rate

Report incorrect product description

Reviews

Q & A

Retail Stock

Compliance

Shipping Restrictions

It is the customer’s responsibility for understanding state laws regarding all purchases made. For a comprehensive list of all Shipping Restrictions, please refer to our Shipping Restrictions By State Page found Here.

All NFA Rules Apply

These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.

WARNING: Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).