jus bought a CVA in .243 academy special The Stalker 179.99 blk syn. with grey spiderwebbing 1:10 twist not sure if it will stabalize 100 gr bullets i did a breakin process & have been handloading 85 gr sierra gamekings seems to like this combination does any1 have the same gun & are u havin luck with 100gr ammo cause id like to shhot a heavier bullet

I don't think you should have any problems with the heavier bullet. I don't remember exactly what the twist rate was of my 243 but the 100gr Remington Cor lokt ammo was all I ever shot out of it. That was many years ago before I got into reloading. I have since then sold the rifle.