300 Winchester Magnum



14 in stock

SKU: 52164 Category:


Increase you favorite rifle’s performance by up to 200 fps without extra chamber pressure recoil muzzle blast temperature sensitivity fouling or loss of accuracy. Superformance uses ultra progressive propellants that take your favorite SST and GMX bullets to levels of performance that are simply unattainable with converntional propellants.

– Caliber: 300 Winchester Magnum
– Grain: 150
– Bullet: GMX
– Per 20
– Muzzle Velocity: 3400 fps

Additional information

Weight 1.5 lbs
Dimensions 6.5 × 3.875 × 1.375 in


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