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I have a 1894 Winchester 25-35 made in 1918 that has a rough as a cob bore from corrosive ammo. It was way too rough for cast as is so I tried the Tubb Final Finish kit in it last summer. It worked pretty darn good as I was skeptical since the bore was so bad although the rifling is strong. The Tubb FF knocked the major roughness out and now you can push a cotton patch down the bore and it doesn't come out all fuzzed up like before. The instructions say the max amount it will remove is 3/10,000" (.0003"). I have fire lapped a few barrels with cast bullets and the LBT lap kit but there needs to be some semblance of acceptable barrel condition before hand.Barrel condition is most important to me.
My Rem 760 in 3006 was so rough from the factory, it fouled to badly with cast.
The Tubb FinialFinish kit, may be something to try?
I've seen though though never really under stood them. Care to explain?These are an absolute must for accurate cast rifle loading:
.312 x .308 Exp. Plug | NOE Bullet Moulds
noebulletmolds.com
Appear to be the plugs put in an expander die that come into contact with the case mouth. I just use the Lee universal expander die and the plugs it came with.I've seen though though never really under stood them. Care to explain?
They expand the neck of the cartridge case to accept the increased diameter of cast bullets. Standard FL dies are set up for jacketed bullets, they usually expand the neck to around .002" smaller than actual bullet diameter. Example: 30-06 case after resizing has ID of neck approx .306" to accept .308" jacketed bullet so case neck tension is snug to hold bullet. When shooting an oversize cast bullet of .311" diameter in the same cartridge it can cause problems. Trying to seat a .311" projectile in a .306" neck can cause the cast bullet to be damaged when seated. Obviously a cast bullet is not as hard as a jacketed bullet. A cast bullet can have it's diameter squeezed down or even shave lead off the side of the bullet if the neck isn't expanded larger. In bottle neck cartridges i like to expand necks .001" under cast bullet diameter with annealed brass so they seat without damage. Then close the neck flare with a Lee Factory Crimp Die.I've seen though though never really under stood them. Care to explain?
Sorry I'm off MikeinCT. Please send a photo of your target.BJung Wrote " The OP stated that the performance of his .35cal cast bullets are not performing well" OP here, Eh NO, not correct. problem is the 4 30 caliber cast bullet shooters are not performing as well as my .375 & .357 caliber cast bullets. I'm going out testing today [5 rifles in 30 cal.] Wish Me Luck. mikeinct
Make sure all the boolits are gas checked, sized to .310” or .311”, lubed well with a good RIFLE suitable lube, and don’t push them too fast. Keep them under 1700fps, and you should do well.BJung Wrote " The OP stated that the performance of his .35cal cast bullets are not performing well" OP here, Eh NO, not correct. problem is the 4 30 caliber cast bullet shooters are not performing as well as my .375 & .357 caliber cast bullets. I'm going out testing today [5 rifles in 30 cal.] Wish Me Luck. mikeinct
It Was Coming together today, Gents. The Vintage Winchester About an inch at fifty yards. The 308 w a Savage sporter Barrel liked both bullets 113gr Lee & the 163 gr RCBS. The old '06 was behaving nicely. Used both old Unique & new Red Dot Charges. The 7.62 x 39mm CZ 527 is not as happy just yet. Learned a few things today. Hopefully next outing I'll have some show off groups. Shot them all hard n fast & dirty.
