Add $27.01 more to your cart for free shipping. “ERGO MODULAR M4 FORWARD RAIL” has been added to your cart. Continue shopping Add $27.01 to cart and get free shipping Remove item Thumbnail image; Product Price Quantity Subtotal × ERGO MODULAR M4 FORWARD RAIL $97.99 ERGO MODULAR M4 FORWARD RAIL quantity $97.99 Coupon: Apply coupon Update cart Cart totals Subtotal $97.99 Shipping Enter your address to view shipping options. Calculate shipping Country / region Select a country / region… Puerto RicoUnited States (US) State / County City: Postcode / ZIP: Update Tax $0.00 Total $97.99 Proceed to checkout