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Old 03-11-2013, 12:39 AM #1
yeahbuddyy
 
 
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Question crap ton of barrel breaks

played today for the first time with my axe, and was getting a crap ton of barrel breaks while no one else was getting them shooting the same paint and bore size. I tried 682, 684, 689 was the best at 689 but was still breaking paint like every pod. Axe has lurker bolt in it and settings are

170ish psi
1 1/2 turns out
4.5 ms dwell
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Old 03-11-2013, 03:43 AM #2
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Is the gun new, or just the first time you used it, having bought it used? Did you install the bolt, or did it come that way? Is the bumper on the bolt face in good condition? Are the bolt and breech clean? Are you using the stock spring, and if so, is it installed with the narrow end at the rear?
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Old 03-11-2013, 03:26 PM #3
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Is the gun new, or just the first time you used it, having bought it used? Did you install the bolt, or did it come that way? Is the bumper on the bolt face in good condition? Are the bolt and breech clean? Are you using the stock spring, and if so, is it installed with the narrow end at the rear?
It is used but was like new when bought, yes i installed the bolt, bumper looks good to me. Bolt and breech are clean, stock spring is being used and yes narrow end is it the rear
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Old 03-11-2013, 04:27 PM #4
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How snug is the fit on the bolt guide? Did you install any new rings there?
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Old 03-11-2013, 04:41 PM #5
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How snug is the fit on the bolt guide? Did you install any new rings there?
if your talking about the ring then it is pretty damn snug i dont believe it is getting stuck with the bolt at all. And no i have not installed any new orings anywhere on the bolt guide. Lurker did give me some of those super thick square orings that i could possibly try on 2 spots of the bolt guide tip. But as of now its the orings that were already on the gun
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Old 03-11-2013, 04:44 PM #6
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the only thing i definitely do notice is the 3 orings on the bolt guide definitely look small. They definitely are not flush with the grooves there is a little room around them.
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Old 03-11-2013, 04:50 PM #7
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Meh, I think you really have a couple options... either follow the guide in the lurker bolt installation manual and metal polish break-in the orings or order some boss powertube orings. I think it's related to the bolt binding. Also, did you remember to put the bolt tip on the lurker from your stock bolt?
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Old 03-11-2013, 05:36 PM #8
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Meh, I think you really have a couple options... either follow the guide in the lurker bolt installation manual and metal polish break-in the orings or order some boss powertube orings. I think it's related to the bolt binding. Also, did you remember to put the bolt tip on the lurker from your stock bolt?
hmm alright ill look into it if not ill just change out the bolt guide orings and yes sir the bolt tip is on the lurker bolt
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Old 03-11-2013, 05:40 PM #9
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It sounds weird, but also watch your reg pressure while you shoot. Pressure dips can do that too.

Let us know when you get it working right.
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Old 03-11-2013, 05:43 PM #10
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I'd recommend going to one larger ring on the rear bolt guide position. Then break that in with polish. The extra drag will slow the bolt down.

The lurker bolt mitigates bolt speed by reducing force rather than flow, so a small amount of friction is key to have an inertial slowdown at the start
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Old 03-11-2013, 05:55 PM #11
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I'd recommend going to one larger ring on the rear bolt guide position. Then break that in with polish. The extra drag will slow the bolt down.

The lurker bolt mitigates bolt speed by reducing force rather than flow, so a small amount of friction is key to have an inertial slowdown at the start
alright will give it a try, wheres the thread on the polish thing?

edit: nm found it its in the manual

Last edited by yeahbuddyy : 03-11-2013 at 06:01 PM.
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Old 03-11-2013, 07:12 PM #12
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anyone else have any other ideas i can check out in the meantime?
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Old 03-11-2013, 10:00 PM #13
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Shoot with .693 insert.
Do you still get breaks?

What paint are you shooting?
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Old 03-11-2013, 10:20 PM #14
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Shoot with .693 insert.
Do you still get breaks?

What paint are you shooting?
Short answer is yes that could work i just don't know. My bro and friend were both using 689 bore with same paint without problems. And paint was white box from field, was actually pretty good paint. And paint was right around 693
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Old 03-12-2013, 01:06 AM #15
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.693 paint? God damn that's huge. Haven't had to use anything higher than .684, and even that was over doing it a little here. Just give everything little you wouldn't think of a quick look at while you wait (detents/eyes/etc.)
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Old 03-12-2013, 01:26 AM #16
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.693 paint? God damn that's huge. Haven't had to use anything higher than .684, and even that was over doing it a little here. Just give everything little you wouldn't think of a quick look at while you wait (detents/eyes/etc.)
yea i mean 693 is the smallest bore that i could put a ball through without having to push or spitball it through to get it out. And yea that's kind of what ive been doing. Well see what happens when i shoot it again.
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Old 03-12-2013, 07:43 AM #17
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Wow dude, after seeing your last few posts I'm inclined to say you're underboring too much. If they fit in a .693 but you ran a .689 then problem solved.
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Old 03-12-2013, 03:27 PM #18
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Wow dude, after seeing your last few posts I'm inclined to say you're underboring too much. If they fit in a .693 but you ran a .689 then problem solved.
yea but i was still getting a significant amount of barrel breaks at 689 while no one else really was, Or far less then me.
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Old 03-12-2013, 03:36 PM #19
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yea but i was still getting a significant amount of barrel breaks at 689 while no one else really was, Or far less then me.
You have no idea how close to the dimensioned size that your barrel actually is... some brands' .689 is really small and others it is almost right on. Don't even look at was it engraved, just bore fit. Also, your paint may have come from another batch or may have been exposed to a different environment and swelled, etc. I think the bolt is fine, but making sure it doesn't bind is important to achieving optimum results with the lurker bolt.
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Old 03-12-2013, 04:15 PM #20
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Hold on.... You're shooting whitebox paint and wondering why you're getting barrel breaks? That paint could be seconds, or swollen as hell. 693? Sounds like it's the paint, bro.
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Old 03-12-2013, 04:44 PM #21
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Hold on.... You're shooting whitebox paint and wondering why you're getting barrel breaks? That paint could be seconds, or swollen as hell. 693? Sounds like it's the paint, bro.
I actually didn't notice that until now.
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