Streamlight 14304 Arc Rail Clip Compatible With Sidewinder Stalk Coyote
https://www.tandktactical.com/shop/080926143043-streamlight-14304-arc-rail-clip-compatible-with-sidewinder-stalk-coyote-29544
https://www.tandktactical.com/web/image/product.template/29544/image_1920?unique=4c21bd6
Streamlight Arc Rail clip for the Sidewinder Stalk.