870 Shockwave grip with recoil strap

I have a Shockwave Raptor grip with a Demonstrated concepts recoil strap attached, the best way to shoot a stockless 870. Will fit any 12g 870 receiver, mounting bolt & washer included. I also have a Defender forend strap, it attaches via M-Lok. $20 extra. Can meet up in Barrie or Brampton, I will also ship anywhere in Canada.