Airsoft Canada - View Single Post - MP5 Mechbox unwinding ->lockup

Corey Darling · December 13th, 2006, 16:11

Problem still exists

Tried stretching the spring by bending back the end of spring that presses up againest the mechbox. definately helped push the latch in place while i was spining the gears by hand.

but once i got the receiver back on and test fired, the pistion immediately locks up half way, and sometimes all the way back :S at best i can get 1 shot out on semi-auto before the thing starts to lock up. with every trigger pull is gets worse and worse till nothing moves

any tips on why this is occuring? i though it could have been the reversal latch, but i think thats corrected now.

I've read that somepeople believe in gear timing, other dont. at this point im willing to try anything.

i've been dry firing the gun, with only the receiver attached to hold to motor on so i can see the nozzle and piston move in the cylinder vent.

December 13th, 2006, 16:11	#7
Corey Darling Trader rating Join Date: Mar 2005	Problem still exists Tried stretching the spring by bending back the end of spring that presses up againest the mechbox. definately helped push the latch in place while i was spining the gears by hand. but once i got the receiver back on and test fired, the pistion immediately locks up half way, and sometimes all the way back :S at best i can get 1 shot out on semi-auto before the thing starts to lock up. with every trigger pull is gets worse and worse till nothing moves any tips on why this is occuring? i though it could have been the reversal latch, but i think thats corrected now. I've read that somepeople believe in gear timing, other dont. at this point im willing to try anything. i've been dry firing the gun, with only the receiver attached to hold to motor on so i can see the nozzle and piston move in the cylinder vent. Last edited by Corey Darling; December 13th, 2006 at 16:13..