Built with durable nylon for a sturdy stock which can withstand constant use Fully adjustable carbine buttstock for mounting to most carbine style airsoft rifles The bottom rear of the stock includes a Picatinny rail for attaching optics, flashlights, and other accessories Constructed with a flat bottom index set screw to reduce any rattle from the buttstock Index set screw also allows the stock to be secured in set, locked position Features an adjustable cheek riser and butt plate for an additional for additional comfort options In the Box 1X Stock Specifications: Brand G-Force Build Nylon Compatibility Most Carbine Style Airsoft Rifles Length 15 1/8 - 11 1/8 (Extended-Collapsed) Color Tan California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov