M130彈弓在金筒及紅筒中的表現
Can any C-Hings explain the differences in muzzle velocity and hence energy?
Barrel: PDI 6.01 (Standard M4 length)
Red cylinder: No air slot on the cylinder
Gold cylinder: With an open air slot on the cylinder
附件
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M130RedVSGoldCylinder.jpg
(124.4 KB)
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9-3-2011 22:16