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hi all
just an update and to let you know the problem i had and how i hope i have fixed it,
all thought the box mag did jam, hopefully this was only a one off, the box mag was not the reason the gun was dry fireing.
after taking the box mag apart and freeing the jamed bb's i tried the gun again, still no joy.
i then stripped the gun apart and took out the mechbox, befor i opened the mechbox i tried first twisting the air nozzel, i was extreamly stiff, i then tried pushing it in and letting the spring push it back out again, this was also extreamly stiff and the spring was struggerling to move the air nozzel back, i suspected this was the cause of the dry fireing. i then opened up the mechbox, which i must add is a very nice bit of kit! there was plenty of grease over the gears and piston head, and cylinder and pretty much every thing else, way way to much for my likeing, it was literaly dripping with grease.
after a few minuts of clean off the surplus grease i turned my attention to the air nozzel. i tried pulling it off of the cylinder, only to find my fingers slip off the end, A becasue there was still grease on my fingers and B the bloody thing was stuck. any way i got a rag to it and used a bit of force and off it poped.
the air nozzel is of good quaility, it is just to tight a fit on the cylinder, it should move freely back and forth with minimal effort, which it certanly was not.
i used a fine grit glass paper rolled it into a tube and sanded the inside of the air nozzell, i also lightly sanded the cylinder tube, i did this untill the air nozzel moved easily on the cylinder tube.
fixed the mechbox back together and put it back in the gun, loaded up the box mag and gave the gun a whirl.
fired all 2500 rounds in a few minuts with only 1 or 2 dry fires.
fingers crossed i have fixed the problem, but will have to wait and see at the week end when i take it to a game.
sorry for the long post, i hope this helps any one else that is haveing the same issue with there m249.
happy hunting
Dan
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