[HackD]

Originally Posted by daveyster

It's an AGM.

I bought this exact one: http://www.airsoftgi.com/product_inf...oducts_id=4539

That advertisement says that it is a TM-Style delta ring.

The image on the website isn't clear enough to see if the front sight is pinned.

This photo of it, zoomed in, seems to indicate that it is pinned.

http://shop.ehobbyasia.com/agm-m4a1-...aeg-black.html

One of the pins appears to already be missing, in your photo shown above. (above the sling swivel).