PROOF RESEARCH offers pre-fit carbon fiber and steel barrels specifically designed for the Impact precision 737, ensuring a seamless installation process that requires minimal specialized tools. These barrels are expertly chambered and threaded, allowing for a straightforward installation - simply torque them on, verify headspace using the appropriate Gauges and you're ready to hit the range. With PROOF RESEARCH barrels, you can expect enhanced performance and precision, making them an ideal choice for both seasoned shooters and enthusiasts looking to upgrade their firearm with ease.

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

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