In general, the handguard is excellent, light, durable and looks awesome. The problem, however, is that the color is too bright. Unfortunately, the color from the illustrative photos has nothing to do with the actual color of the rail, which is much lighter and more "brown-purple" than simply "chocolate-brown", as it should be.
The second problem is the durability of the coating protecting the paint of the rail. Unfortunately, it seems quite weak, because after putting the flashlight on the Mlok mount twice, there are visible abrasions on the rail, which, considering my previous excellent experience with Artisan airsoft products, was quite surprising.
To sum up, the rail is nice but unfortunately not worth its high price

[Airsoft Artisan] MK18 10.5'' MLOK Rail [For M4/M16 Series AEG/ GBB/ PTW / MWS [DE]