Shop › Speed C-Clamp for Speed Rail Image 1 of 1 Speed C-Clamp for Speed Rail $213.04 Part Number: 015-2855Two dom receivers welded on to opposite halves of an 8" forged c-clamp.1-1/4” Speed Rail Quantity: Add To Cart Added! Part Number: 015-2855Two dom receivers welded on to opposite halves of an 8" forged c-clamp.1-1/4” Speed Rail