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Muzzleloader Magnum Sub Bases Tests have produced lower Standard Deviations and better accuracy with Muzzleloader Magnum Powder Charges. --See Manufacturer's Test Results Below-- Pack of 50 is $12.95 fits .50 caliber muzzleloaders only click
here to order 
The Precision Rifle 240 grain .40 caliber Dead Center with a .40 x.50 caliber
sabot and Muzzleloader Magnum Sub Bases. These Muzzleloader Magnum Sub Bases were recovered after firing. Notice the lands and groove imprints and the flared base. Both are signs of perfect performance by the Muzzleloader Magnum Sub Bases. 
The left group represents a load without using the Muzzleloader Magnum Sub Bases. The right group shows the same load with the Muzzleloader Magnum Sub Bases. The resulting group size shrunk from 1.348" with a standard deviation of 54 on the left to a group size of .770" and a standard deviation of 19 on the right. Although it is early in Precision Rifle's testing, they have already committed to adding the Muzzleloader Magnum Sub Base to their product line. In every group tested the accuracy has either improved or remained unchanged. In every load shot through the chronograph, the Standard Deviation has improved. By utilizing the Muzzleloader Magnum Sub Bases they have been able to increase powder charges and velocities by up to 200 fps while maintaining accuracy and Standard Deviation. Testing will continue in the upcoming weeks including smokeless powder loads for the Savage muzzleloader. They believe the inclusion of the Muzzleloader Magnum Sub Base will allow slow burning powders to ignite cleanly with light bullets. Updates to this page will continue as more test data is gathered. Ray |
