KEL-TEC SUB-2000 Optic Mount Range Testing Demo for M*CARBO Brotherhood! SUB2K Optic Mount to be released on D-Day! (June 6th, 2019) M*CARBO Brotherhood Mount will allow you to mount an Optic directly to your SUB-2000 and still be able to fold it! Posted by Chris Nelson - M*CARBO President Wednesday, May 1, 2019 0 Comments Add a Comment to this Post You must be logged in to post comments.