This miniature attachment Short Holographic Sight fits Goatgun's all AR15/M16A1 model railing. It is adjustable, just slide it on and tighten on. This is 3/4" shorter than the other holographic sight.
*Not functional optic.
- Fits all AR15/M16A1 model railing
- See-through insert
- 100% die-cast metal
- 1 1/4" in length (3.2cm)
- Adjust to tighten on and off railing easily
- Not a functional optic. Some fans use a green or red permanent marker to draw a small dot on the lens
See in the official website: https://goatguns.com/collections/attachments/products/short-holographic-sight