Arsenal SM-13K Scope Mount Features The SM-13K scope mount is CNC precision-machined from aircraft-grade aluminum alloy balancing minimum weight and maximum structural strength in a one-piece construction that eliminates the flex and alignment concerns of multi-piece alternatives. The side-attaching tension-adjustable locking mechanism was developed and field-tested in demanding conditions to deliver instantaneous attachment and removal without compromise to zero or accuracy across repeated cycles. At 5 inches of Picatinny rail length and 4.88 oz the SM-13K keeps the overall optics system light and low over the receiver for a natural comfortable sight picture. Arsenal engineered the SM-13K as a purpose-built solution for AKS-74 platform shooters who need a reliable repeatable optics mount that performs to military-grade standards in the field. The aircraft-grade aluminum construction provides corrosion resistance and dimensional stability across temperature extremes and high round-count use without adding meaningful weight to the host platform. For AKS-74 shooters who demand Arsenal-quality fit finish and performance in a side-attaching scope mount the SM-13K is the correct factory-compatible choice. Arsenal SM-13K Scope Mount Specifications Manufacturer: Arsenal Model: SM-13K Scope Mount Firearm Fit: AKS-74 Pattern Platforms Material: Aircraft-Grade Aluminum Alloy Finish: Black Style: Side-Attaching Tension Adjustable Rail Length: 5 Weight: 4.88 oz