Lee 277-135-RF

[DonHowe]

Can someone tell me the as-cast diameter of this bullet cast from COWW or maybe with added tin?

[Rcmaveric]

With my mix of coww and rs at 50/50. I average about .279. Good little bullets and accurate.

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[quilbilly]

I am currently using that boolit in my old Mod 70 .270 W. and the rifle loves it. I never did an "as cast" diameter check but I do automatically size the boolit with the Lee push-through to insure uniformity an attach the gas check. My alloy is 65% pure and 35% hard chilled birdshot with a tiny bit of tin to supplement.