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Main spring M170
A steel spring with unequal pitch designed for power tuning. Provides muzzle velocity between 550 - 600 FPS (depending on the internal gearbox parts used). The fronts of the spring have been ground, which translates into better work.
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Shipping & Returns
Main spring M170
Main spring M170
A steel spring with unequal pitch designed for power tuning. Provides muzzle velocity between 550 - 600 FPS (depending on the internal gearbox parts used). The fronts of the spring have been ground, which translates into better work.
$1.72
Original: $5.72
-70%Main spring M170ā
$5.72
$1.72Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
A steel spring with unequal pitch designed for power tuning. Provides muzzle velocity between 550 - 600 FPS (depending on the internal gearbox parts used). The fronts of the spring have been ground, which translates into better work.
