Stock Saddle provides a proper cheek weld for AR15 and similar collapsible stocks at an affordable price. Easily installs onto M4 style stocks.• A proper cheek weld allows for quicker target acquisition and comfort• Securely attaches to most collapsible stocks with supplied hardware• Made from fiberglass reinforced polymer for strength and functionality• Waterproof, sealed battery compartments hold four AA, six CR123 batteries, or .223 cleaning kit• SST2 model adds a rubberized coating for increased comfort and control• SST3 provides cut out for top sling mountSST1#: Collapsible Stock SaddlePart #: SST1Fits: AR15/M4 Style StocksMade of: Fiberglass reinforced PolymerWeight (oz.): 2.3Width (in.): 2.625"Length (in.): 5.5"Height (in.): 2.5"