Works great. - DPM FN Herstal FNP 4.5in/Tactical 5.3in Barrel .45 ACP Mechanical Recoil Reduction System

Bough this because another reviewer said he runs 45 Super with his suppressor.

Its crazy how it tames the gun down running regular loads or even +P or 45 Super.

I've looked into the 460 Rowland conversion. I really like the round. But I don't like the idea of cutting the barrel chamber and extra 1/16 of an inch. Supers are a great in between. No reliability sacrifice. I would suggest polishing the breach face. As running 45 Supers increases the slide rate Dramatically. Brass is pitched probably another 10-15 feet when running supers. I did have a couple of fail to feeds where the bullet didn't make it into the breach face properly and canted forward. Even Rowland conversions require the breach face be polished. Still doing some testing but shoots much smoother. I run the heavier spring. With a suppressor I haven't had any trouble with short stroking. Have not shot without the suppressor.

Racking the slide the spring weight compounds and gets pretty intense at the end of slide travel. The only thing I wish someone made was a shock buffer for the slide as extra insurance. I'm going to run 45 Supers for a bit before I start playing with 460 Rowland charges oi