Proof Research Impact Precision 737 6mm ARC 18" Threaded Barrel 1:7.5 Carbon

Proof Research Impact Precision 737 6mm ARC Threaded Rifle Barrel 18 in Sendero 7.5 Twist Pxt 5/8-24 Thread 2.15Weight Carbon. PXT - PROOF Exponential Twist - is a complete rethinking of conventional rifling geometry and twist progression engineered to reduce engraving force minimize throat erosion and create a smoother transition as the projectile engages the rifling. Specifications for Proof Research Impact Precision 737 6mm ARC Threaded Rifle Barrel: Manufacturer: Proof Research Color: Carbon Caliber: 6mm ARC Projectile Caliber: .243 Caliber Barrel Material: Stainless Steel Barrel Twist Rate: 1-7.5 Barrel Profile: Sendero Firearms Threads Per Inch: 5/8x24 Gun Make: Impact Precision Gun Model: Impact Precision 737 Gun Type: Rifle Package Contents: Proof Research Impact Precision 737 6mm ARC Threaded Rifle Barrel What firearm models does the manufacturer say Proof Research Impact Precision 737 6mm ARC Threaded Rifle Barrel is compatible with? The manufacturer says that Proof Research Impact Precision 737 6mm ARC Threaded Rifle Barrel is compatible with Impact Precision 737Proof Research 156148: Impact Precision 737 6mm ARC Threaded Rifle Barrel 18 in Sendero 7.5 Twist Pxt 5/8-24 Thread 2.15Weight Carbon