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Old 12-31-2011, 01:38 PM
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I use Hornady brass and you can use up to a 73gr or so bullet with the 1:9. So your 69 should be fine. All depends on powder and what your gun likes. Both my bolt action and AR are 1:9 and i was shooting 55 grs and just bought some 68 gr BTHP to try those..

I load mostly for a bolt action so I only neck size and do not own a Dillon so can't say on that.

This link is helpful.

223 Rem + 223 AI Cartridge Guide
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