It is compatible with all NATO STANAG and Weaver type scope mount and rings. This style of mount is often referred to as an A2 Carry Mount. Thanks a million in advance for the help. What a great scope mount base for AR15 and M16A1/A2 rifles This mount features a Weaver style rail that attaches into the hole on your rifles carry handle. How do you attach the optic to the top of it? This may be a dumb question and I own lots of Ar's and have built more than a few, just never run into this issue and I can't find anything on the net. My ACOG base is even angled to fit into the top of the carry handle. I know the hole in the top is to allow the attachment of an optic with a screw but there is no hole in the bottom to run a wrench through and there is so little room between the base and bottom of the handle I can't get an allen wrench in there. The carry handle has a hole in the top of it (where you would carry it) but no hole in the bottom (where it attaches to the pic rail). I have attached a detachable carry handle on the flat top pic rail and use this as my rear sight (again I really like it, and yes I have lots of red dots and optics but I really like irons as well). It has a flat top receiver and the "F" stamped standard front sight base. This is a multi-platform design but is best suited for use with AR-15 type rifles. The 1/7 twist A2 makes the most sense since it will handle mk262 77gr OTM vs the 1/12. I was thinking a while back that it would be nice to mount a light and RDS to one of these for HD use taking advantage of the added velocity of the longer barrel. Now we’re taking a look at this American made A2 Detachable Carry Handle, which weighs in at a very lightweight 8.96 ounces. The only 20' AR15s I currently have are an A1 type and an A2 type, both with fixed carry handles. I have a number of them ranging from home builds to factory produced, but I wanted a stock Colt, don't know why but I did (I love it by the way). 2 Aero Precision A2 Detachable Carry Handle. I got a Colt LE 6920 about a year ago because I always wanted a Colt AR. I have also consulted the great Google oracle and haven't found my answer, I do apologize if this has been asked before (I am sure it has been but I can't find it). This mount incorporates the same see through channel and self-locking thumbnut that is seen on the 2 mount. Model: Tacfire AR15 See Through Carry Handle Scope Mount/Picatinny, Black MAR031. The 16 is coupled with the classic 22M68 saddle to allow 30mm Aimpoint style optics to be mounted directly to A1/A2 carry handles. I also scanned the first few pages of the AR 15 optics forum and nothing. The 16A is back in production Due to popular demand the 16A Aimpoint Carry Handle Mount is back in production. So I have tried the search function and nothing came up.