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TKS reflex264. Rather surprising results at such load speeds, however the range didn't slow the bullet much from it's initial velocity.

That's a huge meplat. Cool! appears to be lubed with LBT Blue. I still have some of the 'box' I bought back in the 70's, but used it mainly for speeds over 2,200fps in .375's and smaller. Good stuff, but I've found ordinary SPG, and Lyman Moly work fine in large bores for up to 2,200fps.

I wouldn't mind getting a few of those to try in my .45/60 Sharps. Even though the case is only 1.9" long, I get slightly longer (2.650" to 2.750") loaded length than a Marlin allows with the same bullets, due to the leade and throat in my rifle. Along with the 35" barrel, I should still get similar ballistics to those you have indicated, but with reduced pressure of course - dependent on the powder used. I've been loading long enough to know to start low and work as pressure indicates.

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