Trijicon, Ring Cap, 34mm, Q-LOC, Anodized Finish, Black NEW Matte Black Anodized Finish Fits 34mm Trijicon Slimline Mounts Q-LOC Compatible Includes 1 - Ring Cap, 4 - Screws, 1 - Hex Key Product Description The 34mm Trijicon Accessory Ring Cap is designed to replace the front or rear cap sold with Q-LOC style mounts. Three mounting locations allow red dot or picatinny rail mounting plates to be attached at 12 o-clock or 45 degree positions . Features a Mil-Spec drop test rated 6061-T6 aluminum design. Designed to integrate with Trijicon Q-LOC and Slimline style variable power mounts, this lightweight cap is perfect for adding additional optics or components creating a full optics solution in one system.