Crosman 1077 jams?

[CENTURION]

Any insight on the jamming issues with these guns? I run them on a paintball tank and on 12 gr. carts, I have one gun it seems as if the timing is off on the rotary mag? I've taken them apart many a time, and everything seems to run smoothly. Only thing I suspect is the valve is plugged and not getting sufficient gas flow, after about a dozen or so Crosman carts the filter screens under the face seal are always clogged with a black powder and metal chips from those carts, Crosman really needs to clean these up.

[Rayc384]

Have you tried multiple magazines on this rifle? The pawl inside the magazine can round off and not position the pellet correctly to the barrel causing a jam of the mechanism.

[CENTURION]

Have you tried multiple magazines on this rifle? The pawl inside the magazine can round off and not position the pellet correctly to the barrel causing a jam of the mechanism.

Thanks,

I may have to get a few more mags, I notice some run better than others, I really like these guns for indoors and cycle a lot of shots through them.