Meant for a full size MP5 not the k model. As far as I'm understanding, it is awesome. I didn't realize how expensive the MP5 market has gotten compared to the last time I saw, but for anybody who has a full size MP5 whether it's an ap5 Mach 5, it should be pretty plug and Play ready to go. We'll consider trades for certain Glock models. Gen 5 basically brand new
