GBB free Airsoft mods, increase fps m92

GBB free Airsoft mods, increase fps m92: this is my first instructable and not the best but here it goes. my gun was weak and would not blow back all the way and not re-load. what i did was remove the valve in the clip the one the hammer strikes and cut 2 of the legs off of it so that more gas can escape making it i high flow valve. the 2...
By: cmlucht

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