Spyder Skeleton Stock Spyder $25.00 Default Title - $25.00 Quantity This product is currently out of stock. We may not keep this item in stock. Please fill in the form below and we will let you know availability! Skeleton style Standard Stock for Spyder markers. Fits Spyder MR1, MR2, MR3, and MR4 Markers Lightweight and easily modded for that custom look.