Product Description The Ultradyne USA Gen 2 Adjustable Butt Stock in Midnight Bronze is purpose-built for shooters who demand precision, modularity, and a reliable fit. Machined from aircraft-grade 6061 T6 aluminum and finished in a tough Cerakote Midnight Bronze coating, this stock attaches quickly to any 1913 Picatinny rail or mil-spec threaded rear mounting interface. The folding design offers convenient, compact storage and transport without sacrificing rigidity during use. An adjustable length of pull accommodates a broad range of shooter builds, and the stock pairs exceptionally well with the UD Chassis and Picatinny Chassis systems. Product Highlights Machined from lightweight, durable 6061 T6 aircraft-grade aluminum for long-lasting reliability Compatible with 1913 Picatinny rails and mil-spec buffer tubes for wide firearm compatibility Adjustable length of pull from 12.75" to 13.75" (extendable to 14.75" with optional spacer kit) Folding design enables compact storage and easy transport in the field Durable Cerakote Midnight Bronze finish provides superior corrosion resistance and a distinctive tactical look Specs Brand: Ultradyne USA Model: UD Adjustable Butt Stock Gen 2 MPN: UD20168-MB UPC: 810140664211 Material: 6061 T6 Aluminum Finish: Cerakote Midnight Bronze Stock Interface: 1913 Picatinny or Mil-Spec Buffer Tubes Length of Pull: 12.75" - 13.75" (14.75" with optional spacer kit) Type: Folding Adjustable Butt Stock Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.