i have a .243 built on a 98 action.using masking tape it takes 3 layers before the bolt binds up.i have about 50 sized and primed cases.i know you can stretch these out without using bullets but cant remember what charge or what to hold the powder in with.have 4064 and some pistol powders.thanks for letting me pick your brain.
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January 7, 2013, 12:30 PM
You should be able to use a starting load or "Youth load" of medium burn rate powder like IMR-4895, and long seated bullets to hold the case back against the bolt face to fireform them.