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Author Topic: 243 grouping questions  (Read 4671 times)

Offline 7mmfan

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Re: 243 grouping questions
« Reply #15 on: May 27, 2021, 09:10:08 AM »
There are numerous copper removal products out there. The one consistent feature of all of them, especially if you've never done it, is that it will take time, and multiple treatments probably. I did 3 full copper removal treatments on my 7 mag before my patches came out clean. That's what 20 years of shooting will accumulate in there.

I use the Boretech stuff. They're instructions are easy to follow, and it worked well. Have lots of patches on hand, and a vinyl bore brush. A gun vice or some way to secure your rifle so you can just run patches through without handling the rifle is highly suggested.

https://www.boretech.com/categories/gun-cleaners/bore-cleaners
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Offline Lokaybinnity

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Re: 243 grouping questions
« Reply #16 on: May 27, 2021, 09:14:25 AM »
thanks for the help guys. appreciate it.  :tup:

Offline Karl Blanchard

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Re: 243 grouping questions
« Reply #17 on: May 27, 2021, 09:20:01 AM »
Another vote for wipe out here
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Offline b23

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Re: 243 grouping questions
« Reply #18 on: May 27, 2021, 10:06:54 AM »
Also maybe consider purchasing a Teslong borescope.  They're certainly not required and for some the first few times you use one can cause panic attacks because they show how bad most factory barrels look, doesn't mean they still can't shoot well though, but are relatively inexpensive, about $50 and easily hookup to any laptop.  They make one that works with an Iphone/Ipad too.

They'll give you a good view of how it looks on the inside and how clean you're actually getting things.  Often we think these things are perfectly clean and down to bare metal but you run a borescope in there to find out ohhh not so much.  A borescope can help identify other issues like throat erosion, carbon rings, and tooling marks.

Maybe not something most people will use all that much but with the Teslong borescope not only being as affordable as they are but also producing a very good image quality they're a useful tool to have and can help take the guess work out of things but like I said don't be surprised if the first time you use one your reaction is  :yike: when looking at factory barrels for the first time that's a pretty standard response.

Offline Stein

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Re: 243 grouping questions
« Reply #19 on: May 27, 2021, 10:54:23 AM »
There are numerous copper removal products out there. The one consistent feature of all of them, especially if you've never done it, is that it will take time, and multiple treatments probably. I did 3 full copper removal treatments on my 7 mag before my patches came out clean. That's what 20 years of shooting will accumulate in there.

I use the Boretech stuff. They're instructions are easy to follow, and it worked well. Have lots of patches on hand, and a vinyl bore brush. A gun vice or some way to secure your rifle so you can just run patches through without handling the rifle is highly suggested.

https://www.boretech.com/categories/gun-cleaners/bore-cleaners

Ventilation and nitrile gloves too, copper remover is some pretty nasty smelling stuff.  I've used several different kinds and they all seem to work about the same.  Apply, sit, scrub, apply, sit, scrub just like 7mm said.

Offline Magnum_Willys

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Re: 243 grouping questions
« Reply #20 on: May 27, 2021, 01:02:49 PM »
don't be surprised if the first time you use one your reaction is  :yike: when looking at factory barrels for the first time that's a pretty standard response.

I have a 40 year old vanguard 300 win mag that the inside of the barrel looks like the inside of an old sewer pipe thru the teslong but it will shoot 3" groups at 500 yards with factory 215 bergers.  go figure ?

Offline b23

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Re: 243 grouping questions
« Reply #21 on: May 27, 2021, 03:12:23 PM »
don't be surprised if the first time you use one your reaction is  :yike: when looking at factory barrels for the first time that's a pretty standard response.

I have a 40 year old vanguard 300 win mag that the inside of the barrel looks like the inside of an old sewer pipe thru the teslong but it will shoot 3" groups at 500 yards with factory 215 bergers.  go figure ?
Oh I know what you mean.  I kept the barrel off of my Rem 700 VSSF 223 it looks beyond terrible and is laughable it's so bad but that thing would sit and stack up 40gr Nosler BT pushed by Benchmark until you were bored pulling the trigger when I pulled the barrel and turned it into to something else.  It was still shooting so well I figured I could get a few bucks for the barrel but once I borescoped it and saw how bad it was that was the end of that idea.

Offline jasnt

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Re: 243 grouping questions
« Reply #22 on: May 27, 2021, 09:02:25 PM »
Plus one on the teslong and yes it’s normal to see tons of cracks and the bore looking like charcoal.  Let the accuracy tell you when your barrel is toast
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Offline 2labs

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Re: 243 grouping questions
« Reply #23 on: June 28, 2021, 04:55:54 PM »
24yo? Wood stock? Check the barrel contact with the stock. Wood moves over the years. May need to float it.


This,, one of my favorite rifles model 70 carbine..243. Wood stock. Wouldn't group.
Dollar bill test and then a deep socket wrapped in sand paper fixed it! Remember to refinish/ seal any raw wood.
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