Thread: Lyman 457122
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Old November 10, 2010, 08:44 PM   #3
crowbeaner
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Join Date: June 4, 2007
Location: Upstate SC
Posts: 1,943
I have one and can give you some insight on it; it is a PITA to cast with until it gets broken in. Temp has to be hotter than usual to get complete fillout. Stir the melt with the ladle and draw the ladle full from the middle of the pot.
Preheat the pin tip in the melt while warming up the bottom of the mould by sitting barely on top of the lead before starting.
Make sure there is no dross or inclusion in the ladle.
Pour the bullet with one smooth motion and hold the ladle to the sprue plate for a second to insure complete fillout of the base.
Develop a rythm and don't try to hurry. The mould will tell you how fast it will cast by trial and error.
Trace the vent lines with a sharp sewing needle to make sure air vents out of all bands.
Be patient. Newer Lyman moulds require more break in than older ones.
You can use this bullet in 45 rifles, sized down to .452 for BP sabots and 45,454, and 460 caliber handcannons.
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