Cast bullets & Marlin's microgroove rifling..
Your advice/experience on cast bullets and Marlins micro-groove rifling: good loads, bad loads, ugly loads? Thanks in advance for taking time to respond...
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Haven't actual experience but microgroove barrels have had bad press with lead or cast bullets. If you're dead set on trying it I would try linotype or hard cast with gas check bullets. 0 -
I HAVE SOME EXPERIENCE WITH CAST BULLETS IN THE MICRO GROVE BARRELS, TWO THINGS TO GET GOOD RESULTS #1 HARD BULLETS, #2 SLOWER POWDERS IE 44 MAG. LOAD WITH 4227, .357 2400 ECT. USE GAS CHECKS IF POSSIBLE. 0 -
Had a buddy who shot almost no jacketed bullets in his lever action rifles, both Winchester and Marlin. He used to follow MW's path, casting gas check design bullets from linotype for the Marlins. Don't believe he used these loads for hunting. I believe he still had problems with leading? These were medium capacity cartridges such as .30-30, .32-40, etc. 0 -
I shoot a number of Marlin rifles with cast bullets. Everything from .45-70 to 22 rim fire. Mike Wiskey and Iconoclast gave you the right answer. Cast your bullets hard, use gas checks, size the bullets .001 or .002 over groove diameter and don't exceed about 1600 fps. If you do this the micro-groove barrel will shoot right along with the Ballard rifled barrel. However, if you want to follow the current trend and try to make your .45-70 a substitute for the .458 magnum, you will need to have a barrel with the Ballard rifleing, because at higher velocity the bullet will strip through the micro-groove rifleing. 0
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