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48% Tightened Hole Grouping

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.

® Black Magic For Distortion Control and the Burst are
Registered Trademarks of Bonal Technologies, Inc. www.bonal.com
 

To learn more about how you can protect your private, police, or military firearms with Diamondkote, please contact us either by mail, phone, or e-mail:

 

M & R Arms Specialties
1126 S. Gratiot Ave.
Mt. Clemens, MI 48043
(586) 954-3998


service@mrarms.com
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