Midwest Industries Buttstock with Folding Adaptor is a stock featuring a heavy-duty side-folding mechanism constructed from 4140 steel, with a full-length locking lug and solid positive lock-up in both positions. Steel clamp offers large surface engagement; steel parts are mag phosphate finished. Configurable for right or left folding. Skeletonized modular body accommodates different butt plate attachments and includes 3 anti-rotation QD swivel sockets. Includes an aluminum minimalistic butt plate (MI-STAP-CSP), 3.75 tall. Adds 8.75 to firearm length open (0.75 when folded). Complete assembly weighs 15.9 oz. 100% made in the USA. Safety note Follow all manufacturer installation instructions. Verify proper function and secure mounting before use. Comply with local firearm laws and regulations.