Sear Issues

[Durandal]

I'll keep this short and sweet: My Black Dragun LED has been spontaniously not catching the bolt.

It seems to happen at any time, not nessisarily while I'm rapid fireing or anything. It will sound like I just ran out of gas for abouts 3-4 shots then catch again. It was also doing this the first day I had it.

Frame's on nice and tight, and I tried raising the sear (using the little sear raising thing on the back of the frame), neither of which seem to have done anything.

I'm thinking that it has somehing to do with the sear, or the electronics. Need to know which one.

I oil it regularly, after every use and have keept the valve oiled as well. So oil isn't the problem.

Any help will be... um... helpful. Thanks.

[Durandal]

*bump*

Then Again I might be running it at kind of a low pressure for a blowback. Is abouts 750 psi to low for this blowback?

[SkunkTeeth]

I had problems with my dragun also, i ditched the electronic frame for a mechanical one. The rate of fire was not worth it.

[larryfox]

Durandal, did you ever solve your problem? My main BD has always worked great, but I picked up another one used that does exactly the same thing yours does -- occasionally fires multiple times.

I've had no luck yet with mine. I put in a new striker from another marker (an Xtra, although I want to try my other BD striker just for laughs), and I also tried leaving it uncocked and test firingt it to verify that it's not a bad trigger switch.

One thing I've noticed is that if I firmly pull the trigger, release, and repeat fairly slowly, it doesn't happen. Bit if I try it a little faster, it more likely to act up.

The sear in mine looks a little worn -- I wonder if that has anything to do with it...

[wulf1010]

id heard older draguns had problems with sears wearing and that can cause the issues you are talking about. I had to replace the sear in a gun i built for a friend but that was because it was built on a body that used the over size striker (sear was provided free of charge through then m3)

[joeballer]

Are you using the stock reg?

[larryfox]

wulf1010: I might try contacting M3 (or Dragun or whoever they are these days...) and see if they'll send me a replacement sear, or at least sell me one cheap.

joeballer: I don't have a reg on the one I'm having problems with, but I still have the stock reg off of my good BD. I can put it on the bad one, but what do you suspect is the problem there? Or do you think that the flow through the reg isn't high enough to reliably recock the marker?

[wulf1010]

another thing i though of is if you dont have a reg on your gun and your running compressed air your valve may be over pressurized. Basicly your striker dosent have the force to open the valve enough at full tank reg pressure to get the air it needs to recock (one thing that i noticed with this problem is that it will usualy recock after its sputterd 3 or 4 times clearing some of the pressure from the valve) that was another problem i had with the gun i built it wouldnt recock once he switched from co2 to compair unless it was set up with the biggest spring in my box and the velocity adjuster all the way in....course then it shot somwhere in the 4s :(

try put the old dragun reg on there and see what happens

[larryfox]

I run CO2, but I'm planning on putting a stock BD reg on it. I'm going to do some final tests this weekend.

But something else I found out...

My wife was complaining about the noise I made while test-firing the marker in the garage at night, so I put an empty hopper on the marker and a barrel plug in the barrel. After that, I couldn't get the marker to fail to recock.

Prior to this, I was firing the marker without creating any kind of back-pressure (I've never had the opportunity to fire the marker *with paintballs* since I picked it up used & re-tapped the stripped frame screw threads). Now I wonder if the problem wasn't simply sufficient back-pressure to reliably recock the bolt.

Like I said, I'll play with it some more over the weekend. I really should get me some of those Rufus Dawg T-Balls and a chrony.