The Strikeforce SKS Six Position Collapsible/Side Folding stock can Be Fired From Folded or expanded position. The stock has the option of Four 2" and One 4" Picatinny Rails on the forend. The kit also includes fillers when the rails are not used. The butt stock features a Removable/Adjustable Cheekrest. The stock is made in the USA and backed by a Manufacturer's Lifetime Warranty.