Quote:
Originally Posted by libertarian
I mostly use CLP, it works great. I wasn't too impressed with M-Pro7 myself.
Eezox is great for anti-rust, and it cleans pretty well - but it's a bit trickier to use than CLP, as you're supposed to let it dry before reassembly.
I use Montana Extreme 50BMG Copper Killer for anti-copper - that stuff is AMAZING but the smell will burn out your nostril hairs.
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Most "Copper Killer" stuff .... Barnes CR10, Montana's, Sweet's 7.62 Solvent have a very high ammonia content. That is why it curls your nose hairs. DO NOT leave it in the barrel very long (20 mins max) or it will begin pitting most rifle barrels ... Stainless included. I have seen pitting in the bore from people who plugged the barrel and left Sweets in overnight to "really" get rid of the copper. The borescope showed drastic pitting in the grooves and lands.
Supposedly MPro-7 Copper Remover has no bad smell .... but I have not used it, or tried it.
I have no opinion on Eezox as I have never used it, or looked at the MSDS sheet.
M-Pro7 CLP, made by Pantheon Chemical in Phoenix, AZ.... is really pretty good. It went through extensive testing by the military when they were looking to replace the TW-25(?) stuff. The Mil-Spec'd TW-25(?) has Teflon in it and tended to gum things up (not from the Teflon, just the nature of the product). I am not sure if they had to create a new MilSpec for M-Pro7 since it was a different formulation than the TW-25 ... Most lubricants and cleaners had a difficult time meeting the temperature range that the Mil-Spec required ... the results at -50deg F that kicked some out of the study, but the upper range of 400 degrees also kicked a few out since most "carrying agents" were VOC based and they dissipate very rapidly once the temp goes over +125degF.
I also do not know for sure if M-Pro7 was given a Mil-Spec #, but their CLP exceeds the MilSpec with a tem range of -55F to +800F
I know a little about this because I was working with them to provide base lubricant compounds for some products. Webiste is well worth a look.
M-Pro 7
Again, this is just my opinion and YMMV ....
I currently use, have used - Shooters Choice, Sweets 7.62, Kroil, Hoppes 9, Midway's Rust Guard, Huskey 400B, Huskey Chain & Cable Spray, Hoppes Gun Oil, Remington Bore Scrubber. Have not used M-Pro7 series stuff yet since i have lots of others to use up first ... I've seen the lab/test results. It will be my next purchase when i am out.
I have used, but will
never again .... WD 40,Break Free CLP, Rem Oil, Any of the Aerosol Products like "Gunscrubber" Beechwood Casey Gun Cleaner etc .. they are just like carb and brake cleaner from the auto store and leave the metal too dry with solids adhered to the metal.