7mm Magnum

Our Testing was done with a Ruger M77 MarkII 7mm Rem Mag.
Basically a stock rifle other than the following upgrades:
Floated the Barrel and installed a Timney Trigger set @ 2.5lb. pull.

Used stock Winchester Powerpoint Super X rounds.
5 rds. No comp, 5 rds. with S-7T
Muzzle energy 3180 ftlbs.
Muzzle Velocity 3090 fps.
Bullet Weight 150 Grains
Testing was done on the Bench @ 100 Yards.
Procedure for testing:
Zero scope for 100yards with S-7T7mmmag on
Remove S-7T
Test 2 rounds let weapon cool down 3 minutes,
Test 2 More let weapon cool down 3 minutes.

Test 1 more  and Install S-7T7mm mag, test one more, let cool down 3 min.
Test 2 More let weapon cool down 3 minutes.
Test 2 More

Below are two of the Targets used in testing.