Quote Originally Posted by Tim K View Post
I've had similar issues with powders that were supposed to be temperature insensitive. I think I traced the problem back to allowing a loaded round to sit in a hot chamber. On a string at a PD match, the first half or so would shoot normally, then I'd start getting a sticky bolt. I quit clambering a round as my first step to getting ready and now save it till last. I don't chamber now until the shooter in front of me gets their beep.
I didn't mention, but i did notice I was getting some of this too. I was just thinking that "Long leg" needed some cleaning

Quote Originally Posted by TheBelly View Post
hmmm... mixed brass.....

For the purposes of the PD match (local and not THAT long of distances), how much does the friction created by the case hold on the bullet come in to play?
I'm wondering the same... but as what we'll always hear. Precision shooting consist of being consistent, right?