Allow me to enable a bit of bad behavior -

The Mini comes in X39 chambering also.

IMG_0229.jpg

And the new factory folder fits all Mini's except for the 180 series.

I have 4 Mini rifles, this one is pretty typical -

IMG_0675.jpg

I usually lop off the barrel to 16" and thread for a brake or the Ruger FH. Arms LLC sells an an upper GB with sight. Usually change out the gas port to a .040 (IIRC) for lower orbiting of expended brass.