TC contender .38/.357 loads

[Random 8]

I've only used powder coat, do you have the same problems with hi-tech. They claim to be very different but I wouldn't know.

MBC is Hi tek, I believe ACME is also. These are the 2 I've had coating fouling issues and inferior accuracy vs lubed cast with. Penn says they use a proprietary coating that I have no experience with.

 

[Bfh_auto]

Did some more looking. MBC has a RNFP at 158 of a hard alloy I may have to try. I'll probably get a box of the softer long RN and a box of these. They hid the hard alloy ones in the rifle section! Penn no longer makes the TC 158 I dearly love except in a coated version. I have had NO luck with coated bullets, having tried both MBC and ACME versions. Maybe Penn will be better? My findings have been inferior accuracy and stubborn coating fouling affecting POI after several rounds. Starting fluid or carb cleaner was needed to get the red out of my lands and grooves with ACMEs coating in 9mm. I hate change.

Have your results been from the same gun or different ones?
One of my Mauser rifles wouldn't shoot coated bullets. I found the bore was very rough. The other guns I have run hitec coated at normal jacketed velocities. 30-30, 30-40, 308, etc. I run heavy for cartridge bullets though.

158 mbc bullets work well in my experience.

 

[Random 8]

They've been a mix. Across several 9mms I got the coating fouling. Not leading, but visible red or copper colored deposits on the lands and grooves. This corresponded with a POI shift.

I tried them in .41 from MBC also, and results were dismal. I got leading also with those. I think the coating might have been defective on that batch as it was flaked off on bullets I recovered from a clean snowbank. I have not tried them in .357, as wax lubed serve me well and I feel no need to use coated and likely encounter the same problems

 

[Bfh_auto]

They've been a mix. Across several 9mms I got the coating fouling. Not leading, but visible red or copper colored deposits on the lands and grooves. This corresponded with a POI shift.

I tried them in .41 from MBC also, and results were dismal. I got leading also with those. I think the coating might have been defective on that batch as it was flaked off on bullets I recovered from a clean snowbank. I have not tried them in .357, as wax lubed serve me well and I feel no need to use coated and likely encounter the same problems

I hear you. I haven't run into issues with lubed bullets and prefer them for my plinker loads.