KI Precision offers Impact 737 prefits featuring Geissele cut rifle stainless steel blanks. The twist rates for these barrels are as follows: 6mm barrels have a 1-7.5 twist, 308 barrels have a 1-10 twist, and 6.5mm barrels have a 1-8 twist. The muzzle threads are held to 3A threading standards, ensuring compatibility with various muzzle brakes. To ensure optimal performance, each barrel undergoes a thorough inspection with a bore scope to ensure a perfect chamber.
During installation, it is recommended to torque the barrels to 80 ft-lbs, ensuring a secure and consistent fit. These features highlight the attention to detail and quality standards upheld by KI Precision in their Impact 737 prefits.
223 Barrels will come with 1/2-28 threads.
Barrels should be torqued to 80ftlbs
- Straight- 1.250"
- Comp - 1.250 3", 1.10 Muzzle
- MTU- 1.250 3", .830 Muzzle
3-4 Weeks if not listed below
