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DPT Suppressor seized up
A couple of weeks ago, I stripped down my DPT suppressor for cleaning, and when I reassembled it I used white lithium grease on the threads. Now when I came to strip it down again, I've found that most of the threads have become very stiff, and one set are seized up altogether. Did I do the right thing using lithium grease, or should I use something else?
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Ask DPT, they are very helpful.
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I used moly grease and found similar. I now use CLP oil on the threads. Also, when putting the can away for storage I break the seal on all the sections so a gap shows.
To get any seized sections unstuck I use a hose clamp over the top of a cardboard ring (to protect the baffle exterior). Set one on each of the seized sections, clamp one of the screw bodies into a vice (don't camp the baffle itself in the vice). Then use a hammer to gently tap the other section to break the seize and then you can undo by hand.
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I use lithium grease after cleaning each disassembled section after EVERY outing. If baffles are stuck, use hose clamps.
1. Wrap stuck section with thin leather or similar to prevent scratching.
2. Put one section in vice, holding by the screw adjustment of clamp.
3. Gently tap, tap tap the other clamps screw adjustment.
I used this method once. It works.
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Hose clamps are the best way, I don't disassemble mine nearly often enough and always need to use hose clamps.
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I run a full seized one, no worse than when it could come apart :D
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I just twist each baffle apart a few turns each time I take mine off the rifle to store. Never cleaned or regreased it with anything.
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Can you take them apart?? :) I never have and have had a wonderful run from them (DPT). There are at least 3 other major brands that dont come apart so is it necessary?
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Quote:
Originally Posted by
Tahr
so is it necessary?
I'm in a similar boat, never take mine apart. Have heard that the carbon builds up on the inside and reduces volume available therefore less effective, must have to put a lot of rounds through to see that happening though. Can see it being an issue with a 22 but not centrefire
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Pretty sure DPT recommends pulling apart and cleaning with crc or similar. I don’t send lots downrange but meticulously clean my ones after use.
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I have one thats done a lot of work over 3k rounds thru it. Wont come apart but still working. Also have a magnum one with over 1100 thru it, wont come apart either. I was going to buy some of the clamps from DPT to take them apart but then I figured whats the point.
My other 2 have done a few hundred each and still come apart easily
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You guys have given a @Friwi a restless night. :O_O:
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I bought a second hand one with a seized stainless baffle on the main blast chamber. I tried pretty hard to get it off and looks like it on there for good. I'm glade its stainless not alloy.The other alloy baffles are fine to undo with anti-seize on the threads. This is my first modular suppressor and really happy with the performance and build quality.
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Had a stuck one the other day, gave the join a drop of Kroil, tapped it a few times with rubber hammer handle, let it soak for 10 minutes, came undone by hand.