I'm messing with an original 1886 Winchester in 38/56. I got a box of .379 bullets from Buffalo arms, 1st loading
was 56 gr. 2f swiss, at 50 yds 11" group, not good. Next load, 51 gr 2f swiss with .7cc scoop of psb, much better
2" group at 50 yds. My problem is after about 5 shots the group opens up, and after 10 they're starting to keyhole.
I'm not getting any lube on the muzzle of the barrel (SPG lube on bullets) probably not enough for the 26" barrel?
I slugged the bore and it measured .380", so I'm looking for a BP bullet .381" that will carry enough lube and shoot
200 possibly 300 yds for NCOWS competition. I'll probably upgrade sights to a Marbles tang and 17a front. Any idea
what the accurate range of this could be and where I can get bullets or mold for it Thanks
BTB