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Redding S-series neck die question
hadjii
Member Posts: 976 ✭✭
Ok, so I bought a redding, bushing style neck die for my 25-06. Measuring my loaded ammo, I'm getting a dimension of .283-284. I ordered the .282 bushing as recommended. I also have a hornady headspace attachment for my dial caliper, and I did some measuring, and this is where I am either confused, or have something set up incorrectly.
Measuring new, unfired norma brass, I'm getting a reading of 4.060". A once-fired norma case is giving a measurement of 4.066" I get that. The case is expanding as being fired. Here's the confusing part for me. When I measure a once-fired norma case that measured 4.066" before resizing, it now measures 4.064" after being resized in the redding bushing neck die. I was thinking the neck die would not touch the shoulder of the case. My question is how is this happening, or what am I not understanding?
I called the redding tech person, and he is baffled as well. He said I should send him the die and some of my fired cases, and he'd find out what is happening. What say the experts here? Thank you in advance.
Measuring new, unfired norma brass, I'm getting a reading of 4.060". A once-fired norma case is giving a measurement of 4.066" I get that. The case is expanding as being fired. Here's the confusing part for me. When I measure a once-fired norma case that measured 4.066" before resizing, it now measures 4.064" after being resized in the redding bushing neck die. I was thinking the neck die would not touch the shoulder of the case. My question is how is this happening, or what am I not understanding?
I called the redding tech person, and he is baffled as well. He said I should send him the die and some of my fired cases, and he'd find out what is happening. What say the experts here? Thank you in advance.
Comments
Use some dykem on the full neck and shoulder to make sure your bushing isn't touching the shoulder.
Toad67, it's a 2009 jm stamped marlin. Mine's not the xlr, just the blues version, which I like better. On a whim, I tried using a nosler accubond in 200 grain. 46.2 grains of LVR produced 1 1/4", 3 shot groups. I may be crazy, but I'm thinking this rifle doesn't like flat base bullets. The box of factory ammo I bought grouped at about 1 3/4" for a 3 shot group. I didn't have very good shooting days in December, for the most part, so my results might be luck or misfortune, depending on how you look at it. If it will group the nosler consistently @ 1 1/4", that's plenty good for me. I may have to play with seating depth with the 200 grain woodleigh's in the spring. They sure are pretty bullets, and I'm sure they are very good at terminal performance, just have to waste another box to see if I can find a cure for the inconsistent grouping.