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Old 05-06-2019, 07:54 PM
truckjohn

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Reworking factory barrels to make it shoot



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Hey Super Stock Bolt Action guys.

I read a bunch of posts by Sawdust, Squasatch, and Nemo Hunter several years ago about reworking old factory bolt action Marlin and Savage barrels to make them shoot. The general idea was recrowning and setting back and re-chambering their factory barrels with a match chamber would often yield Super Stock accuracy....

But.... Then it kinda disappeared and I haven't heard it mentioned in a few years except occasionally in passing... Is that because works better in theory than in practice if you know what I mean.

I have looked through the scores from many of the Super Stock Bolt games - and there are hardly any old Marlins or Savage/Stevens bolts or cheap single shot Remingtons. Almost every game is dominated by CZ's, then Savage MkII's, then Anschutz, then a smattering of everything else.... Then maybe you see the 1 Marlin show up occasionally. I can't say I remember seeing an old cheap Savage/Stevens like a 4 or an 84 even on the list.

So... Spill the beans guys. Tell me the truth.

Did it actually work
or
It's too much work and $$$$ and you end up with a gun that really doesn't shoot any better....

So say for example... In reality... Say I pick up 1950's non-microgroove Marlin 122 single shot bolt action or an old beater Savage Stevens 84c or a beat up Remington 514.... Is it worth knocking the barrel out, having it set back, rechambering it with a match reamer, and recrowning it? Would it be likely to shoot inside 1/2" at 50 yards in real life?
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Old 05-06-2019, 08:29 PM
NWFRS

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Worth it?

That's a personal thing. If that's what you want, and you have the time and money to make that your hobby, go for it. Rimfires are so fussy though. I'd hate to spend hundreds and then see it perform worse than a box-stock CZ.

If you do decide to pick up a rifle and it won't shoot right with any ammo, try running a brass plumb-bob into the muzzle with a drill-motor first. It's supposed to be one of the first, and least invasive changes to tweaking accuracy. That's assuming everything else is already squared-away obviously.

I don't mean to sound like captain obvious-I just think it sounds like a neat project, but I'd do a lot of bubba tweaks before I paid for machine time.
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Old 05-06-2019, 09:04 PM
truckjohn

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Ok... TLDR:
Did setting back the barrel and re-cutting a new match chamber + a recrown job yield a rifle that would shoot Super Stock quality groups (1/2" at 50 yards) in real life on the old Marlins and Savages?
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Old 05-07-2019, 07:48 AM
GTS225
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It didn't "disappear". It just fell off the front page.

https://www.rimfirecentral.com/forum...d.php?t=122733

Roger
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Old 05-07-2019, 10:19 AM
truckjohn

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Any idea on what sort of groups before / after the work?
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Old 05-09-2019, 01:24 PM
truckjohn

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So by the general lack of response.... I am guessing either people don't do it or it's not really worth it unless the rifle has a damaged chamber.

The glaring example is the 77/22 - which often see giant improvement because many of them start off as horrible shooting pigs (mine did).

I also see the other side... How much "improvement" can you expect out of a factory rifle if it will shoot 1/2 moa stock? I wouldn't fool with the barrel at all if I had one that shot that sort of groups...

For example - my Marlin Model 60 made the Sawdust 1/4" club in Superstock here bone stock - zero modifications. Am I going to fool with the barrel? Nope! Not one bit.

Thanks
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