On Tuesday 18 July 2017 14:41:36 Stephen Dubovsky wrote: > Most of the 140gr 6.5CM data I've seen the bullet slows down past 24" > bbl length. Not sure why you'd want/need a barrel burner either > (isn't thats what people pick 6mm/243 win for?) The stock Hornady 140 > ELD-M load is already comparable ballistics to 300 win mag. I've shot > 6.5CM out to 1200yds. You trying to "get meat" from the next state?
I have done a reasonable imitation of that, having once towed a big buck about 700 yards back up a shale ridge to flat dirt on the edge of a winter wheat field with a tote-goat, on Rustlin Jack Reilly's ranch about 30 miles north of Wall SD. Haveing a decent estimate of the holdover, and knowing, from a chronograph I'd made, the muzzle vel of a 150 gr .311 Norma SPBT, the Speer ballistics calculator worked backwards said 640 yards. The bullet did not expand, but sailed thru his liver, the first shot landed right behind his heels, the next two after I readjusted the aim point by a couple clumps of sawgrass, went thru his liver about 3" apart. Barrels get stretched when you have confidence in the weapon. I no longer have any confidence in this nearly 45 yo, rusty .3085" barrel thats ding 3"+ groups. That long shot and take home was from the barrel before this one. A bastard barrel if there ever was one. A P-14 barrel someone had rechambered for 30-06, I had rechambered to Ackley-06, and the magic started working when I measured a slug and switched to .3115" bullets. Throw in an Ackley-06 reamer and 3150 fps was the order of the day with sub inch groups if I was paying attention. Thats why my boys called it AT&T, and I call it Old Meat in the Pot. If it lasts 2500 rounds, it will handily outlast me. And one of my boys will inherit AT&T. He's been salivating over it for 40 years now. :) [huge snip] Cheers, Gene Heskett -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene> ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
