Remember,,this info is over 20 years old,,,,,,,,,,,H&K part #80950------------------------------------Description=Quick Release Carrier Latch Extension Button''
this is my friends first generation M1 Practical,,,I will get an M2 Practical this year,,I'm south of the skyway from you,,,peace my TampaBay neighbor-M1014
congratulations on such a wise purchase answers to your questions #1yes #2modified#3,,,0.021 inches,,,last but not least,,,,,,manufactures differences )))))))))))M1014(((((((((((((
there is no reason to go chopping up nuts an bolts the Tac Star side saddle hardware will be just fine ,,get the side saddle for your name brand weapon,,when I say snug,,,the rest is up to you,, call up the Benelli service dept. and ask about the mag extension fit----------))))))))M1014(((((((((((