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Mine is at 20 inches, it's been a pretty slow barrel so far so hoping once it's broken in a bit things will speed up. I've done a couple of ladder tests with 2217 and 2225 and I've been hitting pressure pretty early in the charge weights and I think I've figured out why. It's a pretty rookie error, I had some discoloration on some of the cases after firing and it's looks like I haven't cleaned the lube off properly
I've made this mistake before so a bit disappointed I've done it again. Ah well onward and upward, I'll load up another ladder and get back on track.
Hoping to get up to 2950 but I'm miles away at this point, managed to get to 2740 today with 2225.
Just make sure you are not getting carbon build up cause that spikes pressure real quick.
Heavy loads of slow burning powder cause carbon rings real quick.
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