The L version is a 7 shot and would be pretty tough to fit in a k frame. The 929 is an eight shot and is in the N frame but it is a round butt n frame so even smaller grips than pictured with it could be used.
The 986 and 929 with reduced length cylinder in Titanium should make for a pretty quick cycle time. I hope to have them coming out pretty hot to make the comp work on the 929. Probably not quite as hot as my 9mm major Trubor though.
If you do a search on 9mm + p loads and the 929 you will get an idea of how hot they are coming out.