LikesToShoot Posted March 25, 2015 Share Posted March 25, 2015 According to "dauntedfuture", in post 23, the 1.760" shouldn't be a problem but I'm not so sure. Could be OK, I guess, IF the chamber on YOUR barrel works with that length. Since Hodgdon recommends 1.750", my Lee trimmer cuts them down to 1.745" and all 200 rounds of LE Federal brass I full length resized measured between 1.732" and 1.740" I'm not going to go above 1.750". (LE was at our range and I know the guy that scored all their once fired brass.) I set my new Little Crow Gun Works WFT up at 1.745". Please let us know if lowering your die and trimming shorter cures your issue. Link to comment Share on other sites More sharing options...
dauntedfuture Posted March 28, 2015 Share Posted March 28, 2015 I think you will be hard pressed to find a chamber cut with a neck length shorter then 1.760. Most are much longer, i have looked and many a barrel neck and throat with a bore scope and you can clearly see where necks stop and powder burns. I would not recommend a case longer then 1.760, that's MAX length and would never recommend something out of spec. Alternatively, if you dont have a great trimmer set up you can trim the brass once to 1.750 and load it a few times before it grows to 1.760+. Accuracy will suffer to a small extent if you use different length brass. Link to comment Share on other sites More sharing options...
Mthomas0001 Posted April 3, 2015 Share Posted April 3, 2015 Consider the RCBS Low Base Die for lower seating dimensions. I had the exact same issue and that die fixed it! Link to comment Share on other sites More sharing options...
toothandnail Posted April 3, 2015 Share Posted April 3, 2015 I thought I had posted this already here's what a 100 rounds from our reject bin look like in the gauge probably 99 of these will run no problem, but they are used for practice, not a match or something even more important. No need to risk it. Link to comment Share on other sites More sharing options...
dauntedfuture Posted April 4, 2015 Share Posted April 4, 2015 I would sort the ones that don't quite drop all the way down. They are most likely just fine but it does not hurt to be extra sure about your ammunition. A small base (not low base) die might help. I suspect the loaded rounds that stick up a little would go down in the gauge with a little pressure and were shot out of a rifle with a little bigger chamber, in spec, but a little on the big-within-spec side of things. Link to comment Share on other sites More sharing options...
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