Thompson Center Compass – 300 Win Mag – 220 SMK with Hodgdon H4831SC

In this video I update the Thompson Center Compass project chambered in 300 Win Mag. We load up Remington Brass with the 220gr Sierra Match King and Hodgdon H4831SC. We use our Satterlee load development style to develop our velocity curve. Federal FED215M primers are used. Velocity data is used to evaluate this combination for future use.

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Thompson center compass 300 Winchester Magnum
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