Difficult Bullet Seating Experience

Gord0 - very nice! I have just tossed some cases when the web area above the belt started giving me issues but I might look into one of those custom body dies now. Wonder how many more loadings I could get...? 5-6 firings without having to trim is great! I typically go over COAL in some cases in about 4-5 firings, but that's with FL bumping shoulders .0015 - .002 every time. Sometimes I'll trim sooner just to give all cases the exact same length of the shortest in the bunch.
 
Gord0 - very nice! I have just tossed some cases when the web area above the belt started giving me issues but I might look into one of those custom body dies now. Wonder how many more loadings I could get...? 5-6 firings without having to trim is great! I typically go over COAL in some cases in about 4-5 firings, but that's with FL bumping shoulders .0015 - .002 every time. Sometimes I'll trim sooner just to give all cases the exact same length of the shortest in the bunch.
The die I have happens to size my brass .002 smaller than my chamber, it also gets quite close to the belt. It was just an RCBS full length sizer that I reamed the neck out so it doesn't size the neck area. My brass has been annealed three times now , run through my semi homemade body bump die once and neck sized 6 times and it has grown .005" in length. I'm running Sig brass, H1000, CCI 250, 200gr eldx in a 24" stock Savage barrel at 2925 fps. So not a light load. 75fps over Hornady book max. The very small runout I'm seeing is also a result of the very consistent Sig brass. Largest neck thickness variance was measured at .0005". And I had a little fun with measuring it, and went way overboard. I had my CMM guy put it on our Zeiss accura.
 
Gord0 - Very nice. Sounds like you have a great process. I've never even seen sig brass advertised. I loaded up some more rounds last night in some Nosler cases that are on their 3rd firing that I recently annealed and they sized and took a bullet seating like butter. I don't have a way to measure run out but would suspect these are pretty low as my sizing variances and seating depth variances were extremely minimal. Looking forward to punching paper with them soon.

On a side note I also ordered some Norma cases and had a chance to check them out last night. I didn't measure anything but they sure look like they are of very high quality. Looking forward to testing them.
 
Increased seating force can also happen if you wet tumble with SS media

****. I was having the same problem with everything I reload with hornady dies, and ordered the extra stems for specific bullets believing that would solve the problem. I just noticed I started using hornady dies almost at the same time I bought my wet tumbler so the problem might not be the dies/stems. I´ll try the graphite powder. and see what happens.
 
I´ll try the graphite powder and see what happens.
I dip the base of the bullet -vs- trying to coat the inside of the neck. Might be a little messier, but it's consistent and fast.

And, yes, it makes a huge difference if you're using wet tumbled brass.
 
Today I made a little test that looks promising. I sprayed 10 bullets using silicon based lubricant and seated them on wet tumbled cases and had very consistent results. No ring mark on the bullet, the force applied to the press handle felt very consistent and the BTOL remained almost the same, having variations of 0.001".
I sprayed the bullets and left them over a cloth for 5 minutes to let them dry and started seating them. Let's see how they perform next time I get to the range.
 
What really corrected the problem for me was deburring and chamfering the case mouth a little bit, just to take the edge off prior to FL sizing, and then giving them a good normal deburring and chamfering prior to seating. Very consistent neck tension now. Let us know how the test goes Prieto.
 
I've had an issue with my forster seating stems cracking and then they expand and grab the bullet. They sent me a new one for free and it cracked on the first use. I proceed to bed it with devcon and haven't had an issue with it since.
I like Forster dies, but their internals suck , I use RCBS internals with the Forster dies and have had no troubles with them. Their internals are to thin and if you are removing crimped primers the stem will bend.
 
I've had an issue with my forster seating stems cracking and then they expand and grab the bullet. They sent me a new one for free and it cracked on the first use. I proceed to bed it with devcon and haven't had an issue with it since.

Wanted to send an update: I sent my die back to Forster and low and behold... a cracked seating stem it was. They replaced it free of charge. They also polished up the new stem mouth so it's nice and smooth. Hopefully I won't have any more issues. But the crack must have been small because I couldn't see it with my naked eye.
 
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