Aim sport's ar/m4 combo kit is ideal for upgrading your flat top and optics ready ar-15 carbines.Included in the kit is a diopter folding rear sight, gas block height front sight, vertical front grip, and a 4694 stanag carbine length quad rail.The quad rail is constructed of black anodized aircraft grade aluminum, accepts all standard weaver / picatinny 1913 accessories, and is compatible with most carbine length direct impingement gas systems.Its vertical grip features a black polymer finish and is compatible with weaver / picatinny 1913 & stanag 4694 rails.The sights are constructed of black anodized aircraft grade aluminum, feature a ball bearing pivot detent, are quick detachable, have a flip-up posi-lock design to guarantee zero, and automatically lock into position when raised.

Rails: Picatinny
Type: Rail Kit
Firearm Type: AR-15/M16/M4
Firearm Model: AR-15/M4
Material: Aluminum
Finish: Black/Anodized
Grip Type: Pistol Grip