Thru Bore Table for Bullet Clearance
We suggest installation by a competent gunsmith. Timing, concentricity to bore and brake bore clearance must all be finished. Brakes are supplied with a .245 bore.
| Bore Dia. | For Bullet Diameters. Leaves A .020″ Min. Clearance (.030″ is Max.) |
|---|---|
| .245″ | .22 & .224 Bullets |
| .265″ | .243 / 6mm Bullets |
| .288″ | .257, .264 & 6.5mm Bullets |
| .304″ | .270, .280, .284 & 7mm Bullets |
| .328″ | .308, 30-06, 300 MAG 300 WSM & 300 RUM Bullets |
| .355″ | .325 & 8mm Bullets |
| .358″ | .338 Bullets |
Custom sizes available upon request. Contact Us for more information.