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Discussion in '10mm Reloading Forum' started by Buski, Jan 8, 2011.
Anyone had any successes w/getting to the 1400fps mark, out of a 4 1/2 or 5" barrel?
I reached 1441 fps (av.) with 12.8gr Vihtavuori 3N38, 155gr Speer GDHP, CCI 350 LP Magnum primers, out of 4.6" IGB full supported barrel. It was cold day -4°C (25°F), the last of 2010's day. Started with 12.0gr (1387fps) ended at 14.4gr (1543fps) when primers got flattened.
Not safe for warm spring or summer temperatures.