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All Springer/NP/PCP Air Gun Discussion General
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Machine Shop Talk & AG Parts Machining
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Barrel Replacement
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Topic: Barrel Replacement (Read 1975 times))
uncle paulie
GTA Moderator
GTA Senior Contributor
Posts: 4014
Real Name: Paul
Barrel Replacement
«
on:
January 13, 2013, 11:44:34 AM »
Thinking of replacing the barrel on an XL with a LW barrel but am unsure of the method for removal and replacing the barrels from the breech block.
pv
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NJ
Rescue912
Sharp Shooter
Posts: 725
Re: Barrel Replacement
«
Reply #1 on:
January 13, 2013, 03:50:34 PM »
I've done it on other Crosman and RWS breakbarrels. Not for the faint of heart
What I did was remove barrel & block from the compression tube and cut barrel off about 2" above block. Reamed the barrel out until it was no more than 1/8" thick then bake to about 450 degrees. Once it comes out of the oven I put it in a vice (leather wrapped to keep warm and to not mar with vice jaws) and then put a pipe wrench on the barrel and turn it. At that point they usually break free.
If that doesn't break them free then I turn a mandrel for a air hammer, heat breech block up again and drive barrel out. Installation is similar - heat block, freeze barrel that has just a slight interference fit and jam them together. Usually have to machine the end of the barrel before reassembly for the breech seal.
Very do-able, just gotta wanna ...
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Lafayette, Indiana
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GTA
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All Springer/NP/PCP Air Gun Discussion General
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Engineering- Research & Development
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Wayne52
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Barrel Replacement