Because Trijicon cannot give them away, huge hit and miss IMHO. I would not buy one at $250 , bottom mount battery , proprietary footprint and the adjustments are rather large to boot.You can get the RMRcc for $400-$100 rebate for $300 here:
Trijicon RMRcc Adjustable LED Sight | 6.5 MOA Red Dot
The Trijicon RMRcc has a thinner, lower-profile design that reduces the risk of snags for a faster and easier draw. Although smaller, the RMRcc keeps all the great features of the Trijicon RMR. Easy-to-use buttons, a common 2032 battery with up to 4 years of illumination, and a wide variety of...www.armsunlimited.com
Trijicon® Inc., Offers RMR®cc Rebate Program | Trijicon®
Trijicon® products are known for offering legendary reliability, absolute accuracy and industry-leading technology to shooting enthusiasts, law enforcement agencies and the U.S. military and its allies.www.trijicon.com