Midwest Industries MISTAPSFFES: Heavy-duty side-folding mechanism constructed from 4140 heat treated steel, Full-length locking lug for maximum strength, Solid positive lock up in both positions, Steel clamp with large surface engagement, Can be configured to right- or left-folding, Features 5 QD sling attachments, Stock is made from Hard Coat Anodized 6061 Aluminum, Extremely rigid triangular design, Curved top surface for a comfortable cheek weld, Adds 9.0 to overall firearm length, Adds 0.75 to the length of the firearm in the folded position, Complete assembly weight: 15.5 oz., Steel parts are mag phosphate finished