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Old 03-19-2010, 12:36 AM   #1 (permalink)
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Lapco Barrel Breaks?

I keep on getting barrel breaks in the Lapco, while the stock barrel works just fine. I'm even using the same detents from the T8 barrel.

Any ideas on what it could be?
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Old 03-19-2010, 05:12 AM   #2 (permalink)
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What's the bore? If it's a .686, it may be too tight for the paint you are using. The regular Tiberius barrels are .690 i believe. Also, the paint could be hitting the birdcage tip (assuming you're using it) on the Lapco, causing your shots to pop.
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Old 03-19-2010, 12:13 PM   #3 (permalink)
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Using the .690, and good call on the bird cage. Though the paint is splattered pretty far in into the barre.

I'll remove it and see if it helps though, thanks!
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Old 03-19-2010, 12:40 PM   #4 (permalink)
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Detents installed correctly?
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Old 03-19-2010, 01:51 PM   #5 (permalink)
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If it`s an older version check the groove for the lock pins.You might find a sharp edge where the groove crosses the ball port. I used a fine file to remove the burr.
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Old 03-19-2010, 04:12 PM   #6 (permalink)
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Quote:
Originally Posted by Jackson View Post
Detents installed correctly?
Yes sir

Quote:
Originally Posted by dirtnap View Post
If it`s an older version check the groove for the lock pins.You might find a sharp edge where the groove crosses the ball port. I used a fine file to remove the burr.
Could be it too, I'll touch it and make sure it's not sharp today
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Old 03-20-2010, 08:34 PM   #7 (permalink)
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Hmm, if your paint is breaking in the breach, I have an idea of what it could be. On the tip of your bolt, is there a red/pink o-ring sort of deal? It sits in a little recession in the center of the bolt. If that is missing, this could be where the chopping is coming from. One of my T8's had a habit of blowing that thing out of there, exposing the end of a screw that the o-ring sits on. It made my T8 chop like crazy, because it's a sharp edge pounding the paintball every shot. I would check to make sure that little buffer thingy is on there.

I have since replaced the insides with a first strike kit, not one break since, but that may just be dumb luck. FS bolts have rounded edges and a smooth front, and apparently work just as nice on regular paint as they do on FS rounds.
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Old 03-20-2010, 09:12 PM   #8 (permalink)
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CovertRssian, are you trying to shoot First Strikes out of that T8 without upgrading with a First Strike kit? The First Strike kit replaces comes with a new bevelled bolt head. The bevelled bolt head fits perfectly inside of the fins of the First Strike rounds. The First Strike kit comes with a stiffer main spring for the bolt too. (And of course a new barrel with detents, and a First Strike magazine)

dm6rocker might be onto something. The standard T8 bolt has a little rubber nub that covers a screw that sticks out of the bolt. The little number also acts as a "soft tip" to cushion the ball. Without that nub, that screw will pop the ball before it leaves the gun. Check your bolt head. If it is missing give the guys at Tiberius Arms a call they will send you a new nub or a few of them. They are usually just pressed fitted.
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Old 03-20-2010, 10:38 PM   #9 (permalink)
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The missing bolt bumper wouldn't explain breaks in the Lapco but not the stock. I think Dirtnap's solution is probably the culprit. The slot can leave sharp edges right around the breach to the barrel. Could be enough to just nick the paint and cause barrel breaks.
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Old 03-21-2010, 01:01 AM   #10 (permalink)
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This happened on my SA-8 and now on the Limited Edition T8. SA-8 does not have soft tip, but the bolt is first strike ready. The LE T8 is soft tip, but not FS ready.

I shot FS through it, breach loading, no problem there. Regular paint is whats breaking. Now I did notice the sharp points on the barrel. I can see it puncturing the ball as it enters, then the air spats it all over the place.
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