Thread: Kimber 280AI

No one will have a magic formula. You will just have to experiment with different projectiles and powders until you find what suits your rifle.

Start by breaking your barrel and giving it a good clean every five shots or at least every trip to the range with a good copper remover.some kimber barrels are renown to be rough.
Shoot a more simple shape bullets like sierra or hornady flat base in the 150 gr range.that will show you straight away if your barrel is Allright or not.
Do a ladder test with a sample of two bullets per incremental weight charges. ( exemple: 57 gr,57.5,58,58.5,...etc)
Shoot all of these aiming at the same point on a big target at 100 m minimum. When you reach a charge were some of the impacts are kind of grouping close by ,you know you are close to the accuracy load.
You then adjust oal and play with the jump of the bullet to the rifling.

Hope that helps.

Originally Posted by Friwi

Start by breaking your barrel

Thats a bit drastic!

I know I forgot the IN!

this was 200yrds 60gr of n560 fed210 nosler brass 139 hornady SST.
It was a well finished rifle ,but probably to light for it to be any sort of tack driver.The foam over fiberglass stock meant i couldn't machine it out and bed it with some metal based expoxy to help it either.the action feed excellent and the trigger was fantastic.but for 2k the things should shoot 1/2moa but i dont know anybody who has one that does.