Just got back from the range testing my newest toy, a Ti-Rant 45M on my HK45. The 45M is modular meaning you can have it in a long or short config. In the long config, the slide on my HK45 doesn't back on an empty mag; I am positive I was not inducing the error and never have had this issue before. With the short config it locked back every time.
Is this normal? I am assuming either the additional weight up front, or the additional slide velocity from the increased blowback, or both, are to blame, but I'm not sure if this is something I should worry about or not. If the suppressor was ever put into a defensive role it would be in the short config anyway, but if there is something I can do (different RSA, etc) to resolve it I'd be interested.