I've not fired any Wolf .223, .308 or .30-06 through any of my rifles in those calibers. I've shot a bunch of Wolf 7.62 Russian (with the Polymer coating) through my SKS with no problems. I can't tell you whether it's inaccurate or to attribute that to crappy sights & trigger. I've also shot a bunch of Wolf .45 ACP and Wolf .40 S&W with no problems, and it didn't seem to be too much less accurate than WWB. Now the Wolf .22LR ammo is good stuff and shoots as well as any match ammo I've shot through my Ruger Mk II. I will say it's kinda stinky, but I shoot mostly outside so that's not a big deal, and when I can give 45$ for 500 rounds of 7.62 Russian at a gunshow, that's a lot of shooting for not too much money.... so I'll keep shooting it....