Continue shopping “MAGPUL Sight MBUS Rear Back-up (Black)” has been added to your cart. Remove item Thumbnail image Product Price Quantity Subtotal × MAGPUL Sight MBUS Rear Back-up (Black) $40.00 MAGPUL Sight MBUS Rear Back-up (Black) quantity $40.00 Update cart Cart totals Subtotal $40.00 Total $40.00 Proceed to checkout A 3% convenience fee for credit card purchases will be added, TN. Residents pay 9.75% Sales Tax