I ordered a .300 nok from them, directly from their web site. I received instead a .299 nok which while it doesn't fall out, is not snug how their instructional video says it should fit. OK, maybe I ordered the wrong one, so I try again. Click on the .300 flat nok (a GT) and my "cart" again shows the .299 nok. No big deal, I'll send them an email via their "contact" page, except the email link doesn't work. Makes me leery of their product line when they can't operate a web site properly.