HomeCrossbow Grips and ButtstocksEK Archery Cobra System Siege ButtstockEK Archery Cobra System Siege Buttstock£29.95 EK Archery Cobra System Siege Buttstock quantity Buy now Add to WishlistRemove from Wishlist Add to Wishlist Guaranteed safe checkout SKU: EK-B30088 Category: Crossbow Grips and Buttstocks Product ID: 53893 Description Description Buttstock for all EK Archery Siege Crossbows. Specifications Short Stroke Gas Piston Gas System (Rifle Length) 18.6″ Barrel Length ( Mid-Weight style, non-fluted) 1:8 Twist Rate Rifling Reviews (0) Related products Add to WishlistRemove from Wishlist Add to Wishlist EK Archery Crossbow Buttstocks – Spec Adjustable – Torpedo £15.95 Buy now Add to WishlistRemove from Wishlist Add to Wishlist Steambow AR-Series – Buttstock with cheek rest £38.95 Buy now Add to WishlistRemove from Wishlist Add to Wishlist EK Archery Vertical Foregrip For Pistol Crossbow £11.95 Buy now