This device is designed specifically for the Mossberg 500 Persuader type 12ga. (5 + 1 with an 18.5" barrel).
It simply attaches to the Take Down Screw giving you a cost effective, breaching / standoff device.
Your Take Down Screw must be the newer version, 1" in diameter x 3/8" thick with a threaded swivel hole in the middle.
Machined from 1144 Stressproof steel and plated black and may exhibit some signature marks or imperfections.
It will come with all assembly hardware, including a 1.0 ml package of VC3 Threadmate, and installation instructions.
All you'll need is a phillips screwdriver.
Dimensions are as follows:
An OAL of 4.627". A working length of 4.22" from the face of the take down screw to the tips of the teeth, and an OD of 1.250. Dimensions are approximate.
$54.20 w/ free US shipping
NO WARRANTY EXPRESSED OR IMPLIED.
PURCHASER / OPERATOR ASSUMES ALL RISKS RELATED TO THE USE OF THIS ITEM.