Parts for GHK M4
Enhanced CNC aluminum hopup wheel for GHK M4 More durable than the original plastic wheel More smooth adjustment of the hopup effect (enhanced shape) Position and adjustment direction indicated all around the wheel
Enhanced CNC aluminum hopup chamber for GHK M4 - More durable - Better barrel lock by pressure screws - Better sealing - Compatible with original barrel and rubber and AEG components - Increased constancy, the arm is held pressed against the wheel an O-ring - Wheel and arm not included, uses originals components - Compatible aluminum wheel FG ref...
M4 / AR Extra soft recoil spring This extra-soft spring (softer than GHK or WE springs) will reduce cooldown, which will improve regularity and cold resistance, but will reduce rate of fire and reactivity WE VFC GHK VIPER WA, M4, M16, M733, AR15, 416,... Compatibles
M4 / AR Soft recoil spring This soft spring (softer than WE springs, comparable to GHK) will reduce cooldown which will improve regularity and resistance to cold, but will reduce the rate of fire and reactivity WE VFC GHK VIPER WA , M4, M16, M733, AR15, 416,...Compatibles
M4 / AR Soft recoil spring This medium spring (comparable to WE springs) will improve regularity and resistance to cold compared to Vipertech type springs, will increase rate of fire and reactivity compared to springs type GHK WE VFC GHK VIPER WA, M4, M16, M733, AR15, 416,...Compatibles