Product DescriptionThe B5 Systems Modular Platform Stock is a rugged, feature-rich rear stock designed to attach directly to a 1913 Picatinny interface. It features an integral left-side folding steel hinge, adjustable length of pull, and a spring-assist cheekpiece to help fine-tune fit and comfort. Built from durable composite materials with steel hardware, it also includes ambidextrous sling options with fixed sling mounts and limited-rotation quick-disconnect (QD) sling mounts, plus a cushioned non-slip buttpad for a stable shoulder interface.Product HighlightsIntegral left-side folding steel hinge for compact storage and transportCollapsible length-of-pull adjustment range of 2 1/4 inches for a personalized fitSpring-assist adjustable cheekpiece adds 1/2 inch of height for improved sight alignmentAmbidextrous sling capability with fixed sling mounts and steel anti-rotational QD mountsDurable composite body with color-matched steel hardware and cushioned non-slip buttpadSpecsBrand: B5 SystemsProduct Type: Modular Picatinny / Modular Platform StockColor: Flat Dark Earth (FDE)Mounting Interface: 1913 PicatinnyFolding: Yes (left-side folding steel hinge)Length of Pull Adjustment: 2 1/4 in.Cheekpiece: Spring-assist adjustable; adds 1/2 in. heightSling Mounts: Ambidextrous fixed sling mounts; limited-rotation QD sling mounts (steel anti-rotational)Buttpad: Cushioned non-slipMaterials: Durable composite materials with steel hardwareManufacturer Part Number: MPS-1554UPC: 814927023611Disclaimer: 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.