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Posted: 12/29/2016 11:26:57 PM EDT
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Just bought a Forster bench rest die set with full length sizing die in .308. The sizing die doesn't bump the shoulder back on my fired cases, despite a healthy dose of cam-over which I don't like doing. I mean, like absolutely no change after sizing measured with my digital calipers and Hornady inserts. It's acting just like a neck sizer.
I checked their website. The die body looks exactly like the one pictured in their neck sizer picture, but mine is roll marked as a full length sizing die. The die body for the full length sizer is clearly different as pictured on their website. I sent them an email about the issue with a picture attached. Apparently that wasn't enough because they want me to send it in with several sized casings. Case lube is an alcohol/lanolin oil mix. Been using it for years without issue. Anyone else experience this before? What does the hive have to say about it? 
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Quoted:
Remove the decapping stem and size some brass. If the die will still not bump the should back then send it back. My guess is that the decapping stem is bottoming out at the base of the brass. If that were true, overcamming would bend or break the stem. Overcamming is a HUGE amount of pressure. If you look at Forster die bodies - it is clear to see this die body is the one they use for a neck sizer. Their FL dies are much larger. My bet is they screwed the markings up on the die. |
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If you look at Forster die bodies - it is clear to see this die body is the one they use for a neck sizer. Their FL dies are much larger. My bet is they screwed the markings up on the die. This. What sucks about it is that I'm going to have to pay extra to have it shipped in because of their screw up. Hornady sent me a new die body a few months back, no questions asked, after I sent an email about the carbide ring leaving gouges on my 9mm cases after only 1000 rounds. You'd think Forster would know their product well enough to see the mislabeled neck sizer in my picture and send a replacement. |
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This. What sucks about it is that I'm going to have to pay extra to have it shipped in because of their screw up. Hornady sent me a new die body a few months back, no questions asked, after I sent an email about the carbide ring leaving gouges on my 9mm cases after only 1000 rounds. You'd think Forster would know their product well enough to see the mislabeled neck sizer in my picture and send a replacement. Dang.. who did you buy it from? I might have been more inclined to go through dealer at that point. Brownells and Midway have very good return policies and normally cover return shipping if there is a problem. |
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Dang.. who did you buy it from? I might have been more inclined to go through dealer at that point. Brownells and Midway have very good return policies and normally cover return shipping if there is a problem. Quoted:
Quoted:
This. What sucks about it is that I'm going to have to pay extra to have it shipped in because of their screw up. Hornady sent me a new die body a few months back, no questions asked, after I sent an email about the carbide ring leaving gouges on my 9mm cases after only 1000 rounds. You'd think Forster would know their product well enough to see the mislabeled neck sizer in my picture and send a replacement. Dang.. who did you buy it from? I might have been more inclined to go through dealer at that point. Brownells and Midway have very good return policies and normally cover return shipping if there is a problem. Bought them from Midway. I haven't contacted them yet. I just figured they'd refer me to Forster. Maybe I'll give them a call. |
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Is it sizing the bottom of the case? Is it sizing the diameter of the shoulder? I have 2 Forster 308 dies. They bump the shoulder zero none nill niet nada of cases fired in my bolt gun chamber. OK maybe .0005", cuz I can close the bolt easily.
What you're dealing with is tight headspace and brass springback. Annealing will help because the brass won't spring back as much. Or you can shave the top of your shell holder. Or send the die back and have them take a little off the bottom. |
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Quoted:
Look at the opening. Neck sizing and full length sizing dies have vastly different size openings. Not true, at least in Redding dies. A Redding .308 neck sizer die has an opening of .475" and the same die in a FL sizer is .470" You cannot visibly tell the difference. |
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Quoted:
Not true, at least in Redding dies. A Redding .308 neck sizer die has an opening of .475" and the same die in a FL sizer is .470" You cannot visibly tell the difference. Quoted:
Quoted:
Look at the opening. Neck sizing and full length sizing dies have vastly different size openings. Not true, at least in Redding dies. A Redding .308 neck sizer die has an opening of .475" and the same die in a FL sizer is .470" You cannot visibly tell the difference. On my Lee dies, they are 0.530" and 0.465" and very apparently different. I didn't measure the .223 dies, but the difference is even more glaring. In either case, a FL resizing die will stop the brass halfway or less into the die. If it is a neck sizing die, the brass should go practically all the way in without a problem. It should be readily apparent if it is a neck sizer only. |
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