.243 22 inch barrel 1 in 10 twist, what weight of bullet works?

[270WinDude]

Thanks for this, as i said to one of the others on the forum, i wish they did tester packs for cartridges and bullets, and then you wouldn't end up wasting money for things that don't work.

I can not believe local gun shops do not sell these!!!! Only like 1 airgun company sells a tester pack of various pellets from different manufacturers so you can see what is accurate in your rifle. It would take away from those of us that like to tinker non stop regardless but I probably would buy a "variety pack" of bullets to test.

 

[270WinDude]

Hi, by using a comparator you get a measurement where the lands and grooves touch, and its generally seems to be more accurate as its a length from the base to the widest part of the round where it sits on the lands and grooves (if that is what you desire) rather than the tip, which does vary, so i believe this method to be the most accurate. However i am willing to be proven wrong.

There's another thread around this one by a page or 2 where we're talking about the comparator measurements. If indeed it measured to the lands then it would be the same on each bullet which is not the case. It measures to a line on the ogive of the bullet which is not a measurement of your chamber. Your bullet might actually touch the lands different places on each bullet as you measure the ogive distance. It's a great measurement to use, I'm simply stating it's not a chamber measurement. Also I only measure to the ogive as well but as noted earlier, most people when communicating online give the OAL measurement which is base to tip.

 

[270WinDude]

Had n 23" 1/10 twist sako 243, 87vmax, 87vld and 95BTs shot like crazy. 95BTs were the most accurate bullet I shot in it, shot a couple 0" 3 shot groups with them. Used the 95s in my SLR to firef brass and had n 19 shot group at 109y that I could cover with a piece of 243 brass standing on the hole, they are also very strong hunting bullets at 243 speed.

After reading this thread I'm wondering if your extra 40+ fps helped stabilize the longer bullets that the OP had problems with. It would push the bullets true RPM up a bit with the added length and velocity. Same twist rate can effect same bullet different regarding stability from a 20' bbl and a 24' bbl. 23 is the lowest sweet spot length for those bullets in a 1:10 twist?? If some one was shooting a 20' bbl with 1:10 and stabilizing those bullets we'd probably of heard about it already?