Come to the meet and greet next month, and I'll have some..I use the 55 Hornady, with Trail Boss. I don't discuss power amounts..Unless it is in print from a manufacturer
I watched it before it was taken off..He was filming with his phone in his left hand, while holding the glock in his right..He even made sure the glock was in the pic for several seconds before he started shooting..
No not at all, you will always get a bolt cycle noise..you can quiet it down some, with an Edidine buffer. I do some 223 subsonic loads that are scary quiet..But they will not cycle the bolt..Just wonder what this new bolt is supposed to do.