my first mag, need help

[capt spank]

put together my first mag. ule body, triton frame, venomous designs rail, xvalve with ult, and a pneumatic setup.

i slapped it all together and it shoots but if i hold down the trigger it goes "full auto". the valve only came with 4 shims in the on/off ult assembly. i've tried it out with all four and tried it out down to zero shims. still full auto. any tips?

thanks in advance

[athomas]

Have you tried increasing the LPR pressure?