We cut a 308 with a adjustable stock to 16" the added a suppressor, came out to 21 1/2" everyone that has used it likes it, we have killed Whitetails, Elk, And Exotics with it. never shot it without the can, but it's good on the range to 600 yrds. With 155 gr. Scenars and Varget. most of our hunting shots are inside 300 yrds. Rio7