im calling out toall the P* masters out ther. i have a classic army sr-25 (uses long 19 tooth style piston/cylinder stadard m4/m16 hopup) and would like to know how i can get my v2 p* to fit right. i know i would need the long airnozzle but want to know if anyone has come up with a way to lock in the gearbox to keep it from moveing around. is ther a place that sells spacers or dose any one have any i can buy? any help would be nice. thank you for your time.i will post up pics soon to help some see what im talking about.