My 243 doesn't like heavy bullets

[SanPatHogger]

So my 243 shoots 85 grain speer spitzer boat tails best. I have loaded 100 grain spitzer boat tails and they seem to spread out past 200 yards. Tried 90 grain Sierra gamechangers, seem worse then the 100 grain speers. The game changers are LOOOONG.

So I'm looking at Berger 87gr VLD hunting bullets, Berger 65gr target boat tail, Berger 90gr target boat tail (probably too long), and Barnes 68gr match burners.

Looking for other match/hunting bullets in the 65-90 grain range.

My rifling is roughly 1:10, I checked with a cleaning rod.

I really wanted the 90 Sierras to shoot good but they are just too long. I would like to reach targets to 1,000 yards and kill hogs to 400 or so. But I would like to do both with the same bullet.

Any bullet suggestions would be appreciated.

 

[Steel head]

Wrong twist.
Common issue with factory 243’s.
You want a 1-8, some run even faster twists for heavies.

 

[SanPatHogger]

Yup, that's why I'm looking for suggestions on lighter match bullets. I saw some Sierra 70gr match on Powder Valley but they are discontinued.
My gun seems to shoot factory Winchester soft points quite well. If there were Sierra gamechangers in a 75 to 80gr that would probably be best.

Also been looking into a barrel swap, might be worth it in the long run as I have a PILE of 100 grain hunting bullets. Shoots the hunting bullets inside 600 and shoot match bullets at targets.

 

[Powder_Burns]

I had a 1:10 20” .243 bbl, didn’t like anything I fed it...turned it into a tomato stake.

 

[SporterII]

Pm me. I have 55”s and 70”s you can have. That I do not need.

 

[Stealff]

I've had good luck with hornady 87 gr. Vmax, in a 1:10 243 Howa 1500, I have also shot that rifle in a 1000 yd. Match with that bullet and done fairly well(not last place).