Load one up and measure the neck with a round in it. Compare that to the drawing minimum diameter and see if you're chamber is is on the tight side. I"m betting you're going to have to run necks to get them to fit.
@PBramble
0.333 on the Hornady, 0.339 on the Nosler. I'm not exactly sure what you mean by "running the necks. I'm assuming you mean trim the thickness?
If it helps this rifle has really tight tolerances. It's a custom rifle I got at Wanemacher's. I've shot it a few times, it shoots real well. I love it, it's just this Nosler brass that's giving me a headache.
0.333 on the Hornady, 0.339 on the Nosler. I'm not exactly sure what you mean by "running the necks. I'm assuming you mean trim the thickness?
If it helps this rifle has really tight tolerances. It's a custom rifle I got at Wanemacher's. I've shot it a few times, it shoots real well. I love it, it's just this Nosler brass that's giving me a headache.
I think he means turn the necks
Yep thicker necks will bite you.
My .223 and one of my .243 rifles did the same with Lapua brass.
I used an RCBS neck turner to fix the issue.
www.rcbs.com
My .223 and one of my .243 rifles did the same with Lapua brass.
I used an RCBS neck turner to fix the issue.
Buy Hand Case Neck Turner and More | RCBS
Shopping for the Hand Case Neck Turner - Learn more about the latest Neck Turn and other hunting or shooting gear at RCBS.
www.rcbs.com
I've some Lapua brass for my .223 and the wife's .308. I haven't loaded any of it yet so I'll be interested to see how it goes.Yep thicker necks will bite you.
My .223 and one of my .243 rifles did the same with Lapua brass.
I used an RCBS neck turner to fix the issue.
Buy Hand Case Neck Turner and More | RCBS
Shopping for the Hand Case Neck Turner - Learn more about the latest Neck Turn and other hunting or shooting gear at RCBS.
That is a big difference. Check SAMMI chamber specs and I bet you find that you need to turn the necks like mentioned.
A quick cheat on neck thickness if you do not have the tools. Load a round (no powder). Pull the bullet and load it into your chamber. If the bolt drops with little or no effort that .006 is not your issue. If you have to pressure the bolt closed, sklfco posted some great tools to fix your problem.
Yep, did that. I couldn't close the bolt...way too tight.
It worked fine with my other rifles too which is why I was surprised when I had problems with the 300WSM.
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