UPDATE!! Lothar Walther Special Order for Impact .25 need 3 more to place order

Forums PCP Airguns UPDATE!! Lothar Walther Special Order for Impact .25 need 3 more to place order

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    Jlacouturec
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    which is the main reason to change the barrel that is winning the competitions???? 

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    Jlacouturec
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    i know LW is great, i use one in my RAW, but FX´s barrel is that great too

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    knifemaker
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    when I removed the choke in my .25 L/W, and lapped the bbl-re-crowned. it went form 3+" at 50 yards to a little over 1/2" at 80 yards. Slugs have a hard time in chokes, unless exactly matched to them. And never  seem to be stellar or consistent.

     

    Knife

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    Enazle
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    Was that an AirForce barrel with a 1:16" Twist?

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    bucketboy
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    Jlacouturec

    which is the main reason to change the barrel that is winning the competitions???? 

    An accurate barrel is an accurate barrel regardless of who makes them.

    I am going to swap my stx liner on my impact for a LW for a few reasons. Firstly, I have never had a bad LW barrel.  FX don’t do .20 barrels which is my preferred calibres. I don’t shoot slugs, I don’t like the idea of 5 metal components and 8 o rings that make up the liner barrel assembly when it can be replaced by 1 barrel and 3 o rings.  My stx barrel gets dirty really quickly despite a good polishing. And currently, my fx impact is not as accurate as my other guns fitted with LW barrels.

    I will probably fit the stx barrel to one of my other guns, that way I can determine if it’s the barrel that in not as good as the LW or my ability to shoot the impact well is somehow compromised. 
     

    A couple of hours on the lathe and milling machine and I will know one way or the other.

     

    Bb

     

     

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    Jlacouturec
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    bucketboy

    Jlacouturec

    which is the main reason to change the barrel that is winning the competitions???? 

    An accurate barrel is an accurate barrel regardless of who makes them.

    I am going to swap my stx liner on my impact for a LW for a few reasons. Firstly, I have never had a bad LW barrel.  FX don’t do .20 barrels which is my preferred calibres. I don’t shoot slugs, I don’t like the idea of 5 metal components and 8 o rings that make up the liner barrel assembly when it can be replaced by 1 barrel and 3 o rings.  My stx barrel gets dirty really quickly despite a good polishing. And currently, my fx impact is not as accurate as my other guns fitted with LW barrels.

    I will probably fit the stx barrel to one of my other guns, that way I can determine if it’s the barrel that in not as good as the LW or my ability to shoot the impact well is somehow compromised. 
     

    A couple of hours on the lathe and milling machine and I will know one way or the other.

     

    Bb

     

    Your reasons are more than acceptable, good to read this. 

     

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    Jlacouturec
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    I’m not an fx fan but airgun lover, recognize they win competitions but had 4 bad experiences with 4 different rifles, very bad quality control process 

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    mtnGhost
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    I really learned to appreciate the smith work on barrels when I started working on my own, and it's a huge PITA turning down barrels to work with the Impact. I had to shrink the action side down a little further than .550 (13.71mm IIRC). I had meticulously added o-ring grooves to the barrel itself and put a lip on the breech to seat it fully in the action.

    The other tricky part is ensuring that it's throated just right for whatever you're planning to shoot. You can remove material, but you can't put it back of course 🙃. Threading the end is straightforward, just a little time consuming. Definitely something you'd want done on a lathe as opposed to a die.

    The softer LW's are easier than the hard chromoly steel used in the TJs though.

    • This reply was modified 1 month ago by mtnGhost.
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    DrPutz
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    Couldn't you skip the brass throat and just machine the barrel with the transfer port and o-rings (internal/external)?

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    mtnGhost
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    DrPutz

    Couldn't you skip the brass throat and just machine the barrel with the transfer port and o-rings (internal/external)?

    Yep. 


    I opted to add the breech o-ring to a custom pellet pin instead of adding a groove internally, but either works.

    • This reply was modified 1 month ago by mtnGhost.
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