T7 loose will work fine with 209 primers. You'll need to swab between rounds.
I highly recommend Butch's Black Powder Bore Shine for both swabbing and cleaning T7.
Although I no longer use copper bullets, there are guys that are using them with excellent results. Thors and regular Barnes. I believe some of the Barnes shooters are annealing them after pulling the tips.
With the TC's, and while shooting BH, make sure you keep the carbon cleaned of the breech plug flash channel. A 1/8" drill bit............. turned by hand ......... will chip out the carbon. Cleaners will not remove the carbon buildup.
Fury's are copper jacket over lead. Excellent bullets. I've harvested a number of whitetail with them and they've all been DRT.
The Universal Fit 320gr bullet is what most of the guys with the 50 cal RUM and UF rifles use.
I've tested many of the Furys for Dennis, many of which never became...
You might want to try bullet to bore using Fury bullets. Most all the RUM and UF owners shoot the 320gr with excellent results with accuracy and on game. Brakes won't affect bullet to bore and you can continue to reap the benefits of your brake.
You shouldn't be using sabots or skirts while using a tactical brake. A radial is fine, but not a tactical brake.
If you're bullets are keyholing, increase the charge. They're most likely not obturating sufficiently.
There's a very quick and easy fix for the ignition system for the RUM that is absolutely perfection. Its the first thing I'd replace prior to shooting the rifle.
https://arrowheadrifles.com/product/uml_replacement_plug/
Arrowhead was the first to replace the OEM ignition systems on both the...
Are you using this? ............. https://www.shootingbot.com/
They actually had primers available for over an hour this morning. They must have gotten a large quantity in from Federal.
I'll say this for the last time............. You've been banned for this kind of attitude from a couple sites and they still won't let you return. Doesn't matter.......
However......... you do have FB. Go over to the different Paramount FB pages and read about the QC issues. Anyone with FB...
Really? And you wanted to start all this up because you got your feeling hurt, again?
For others........ this was the post made that … all stressed out over. Funny he didn't mention it over on the other site but waited all this time to get into a P match here.
The post below basically...