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I have a large stock of 300 wby brass and now I need some WinMag brass. It sizes but the base of the shoulder gets little wrinkles where the blend line of the 2 radii meet. Some almost look like cracks. It's all been fired but I have some boxed once fired and they form super easy and no cracks.
The tough ones are super hard to form, in fact I switched over to the RCBS BMG press because it was too tough for my Hornady LNL.
Should I try annealing? Using sizing wax which helps.
The tough ones are super hard to form, in fact I switched over to the RCBS BMG press because it was too tough for my Hornady LNL.
Should I try annealing? Using sizing wax which helps.