Black Magic® will improve performance,
increase accuracy and extend barrel life.
Ruger M-77, 7 mm magnum, complete assembly
on the Black Magic System for processing.
Before processing: 35.4 mm dia. grouping.
AFTER processing: 18.5 mm dia. grouping.
Challenge: Tighten Hole Grouping.
Rifle: M-77 Ruger, 7 mm, magnum (used, excellent condition).
Barrel: 24” length.
Ammunition: 175 Grain Winchester, magnum.
Target Distance: 100 yards.
Position: Clamped in bench rest on a lead sled.
Shots Fired: 3 in rapid succession.
The Black Magic process vibrates a work piece at it's sub-harmonic energy level. This is accomplished using no heat or freezing resulting in no adverse effects on the work piece being treated.