Great upgrade for any scenario player with a weaver style rail. Allows to use a 45 angle red dots, sights or any other weaver style adapter in your paintball marker. Mounts to a 7/8 weaver or picatinny rail. Black, anodized aluminum construction. Also works with the Tippmann Hybrid dovetail on the A5 and 98 Custom. Measures 4" in length.