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243 Rechamber...looking for suggestions

I have gone through 2000 Win 22-250 cases 13 loads each with no problems. Have 1000 Remington cases going on 10th loading. Have 2000 Sig 22-250 cases going on 4th loading. I have never understood the supposed brass problem. My max load is 38.0 H4350 with 105-115 gr bullets. I have seen and heard of shooters loading 2,3, even 4 grains more. Is that their problem? IDK.
Probably all on one barrel,,,,,,,, just guessing?
 
Sticking with the 243 is an option, especially with all the components I have on hand. It's taken hundreds of pigs, dozens of deer, even mule deer at 275yds in New Mexico, countless coyote and fox, and like mentioned earlier was extremely accurate (under 1/2moa) straight out of the box with the old fashioned 85gr Sierra HPBT and IMR4064. Again thanks for all the input. Maybe a rebarrel in 243 AND a new build in a 6mm variant is in order.
 
I have a Savage 10 Predator Max 243 (10 yrs old) with around 2,500 rounds through it that's started to show signs of chamber/barrel wear. Has always been a 1/4" rifle with handloads (yes crazy accurate and consistent) for a factory rifle. Last couple of years it's still holding 3/4" but nothing like the bugholes it used to shoot. I'm going to use this as an excuse to rebarrel/rechamber it in something else... just for fun. Plan on going with a MDT XRS chassis, Shilen prefit barrel. I'm thinking some folks from this forum may have converted a 243 over the years and I'm looking for suggestions. Enjoy shooting out to 500yds, mainly used for hunting whitetail, pigs, varmints etc. Leaning towards something fun and still in the 6mm class.
Likely chopping off a inch or two(set back) will regain accuracy and sticking with the hood old 243 Win isn't a bad idea since you have everything you need now without spending more on other brass or load development.
 
At 2500 rds down the tube, I would be rebarreling. It is not just the throat that is worn, the entire ID of the bbl is worn as well. Gauge pins that originally fit snugly, will now just drop thru the bore.
At ur round count, u have gotten ur money’s worth out of that tube. If ur going to invest the money in fitting and re-chambering, don’t spend it on a worn out piece of stainless.

Just my .02!
 

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