Mossberg accuchoke tube xxfull 12 guage

Just bought this was over 100 shipped to my house will fit many guns unfortunately not my Remington sxp defender 

Get ready for turkey season with this brand new never shot out of xx full choke 

Details in pics 

For use with Mossberg 12 Gauge 500, 535, 930, 940, and Maverick 88 threaded barrels. Also compatible with Smith & Wesson, Savage, & U.S. Repeating Arms (Win-choke) and Browning Invector interchangeable choke models

I found specs on the ported version of this same choke at .050 restriction so I'm assuming it's the same