based on my own experience with 280ai (REM700 action, 24in bbl 1:85 twist) I think 75 - 100 fps gain is about right for the 7mm/280 comps. The exact number (or size of gain) I've found to be more...
Type: Posts; User: chainsaw
based on my own experience with 280ai (REM700 action, 24in bbl 1:85 twist) I think 75 - 100 fps gain is about right for the 7mm/280 comps. The exact number (or size of gain) I've found to be more...