Boulder Airsoft & Brigade Milsim
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Variable Velocity Device

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Variable Velocity Device Empty Variable Velocity Device

Post by Dutch August 25th 2011, 02:42

Here's a hell of an idea.... a piston that will allow you to KEEP your current 140-160 spring in the gun, and still change your FPS. The VVD is designed to let the operator step his/her FPS between Full FPS, stage 1, and stage 2 throttling. There's no need to pop the GB from the weapon, change the spring, and try to get everything lined up and put together. A tool slid down the barrel or in the air nozzle allows you to change your FPS. Below is the device:

In my opinion, it's a great part in theory. I'd have to see it in action.

Sergeant Major E-9

Posts : 834
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Location : Thornton, CO

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