Easy Installation: No gunsmith required; all necessary tools included for a quick and straightforward setup.. Versatile Mounting: Supports red dot sights via a 5-lug 1913 Picatinny rail or T2/Acro interface, offering flexible optic compatibility.. Ergonomic Design: High-mount configuration promotes a comfortable, upright shooting posture for enhanced control and accuracy.. Robust Construction: Patent-pending rock-solid design ensures maximum durability and reliability in demanding conditions.. Still able to use iron sights if needed via pass-through channel.. Weight: 3.3 oz. Overall Length: 3.5″. Material: Precision-machined Hard Coat Anodized 6061 Aluminum for a lifetime of service. Fully 922R Compliant. Available in Picatinny Rail, Aimpoint Acro, T2 Micro Red Dot (compatible with Aimpoint Micro T-2 and similar optics). Made in the USA. Lifetime Warranty. Designed for HK MP5 and compatible clones, including Century Arms AP5/K, Zenith ZF-5/K, and Military Arms Corporation MAC-5/K. Optimized for 9mm receivers; potential fitment issues may occur with.40 cal or 10mm receivers. Not compatible with any MP5.22LR firearms.