Continue shopping “BIG Modular AR10 Upper Insert – Forward Assist (Raw/Blem)” has been added to your cart. Remove item Thumbnail image Product Price Quantity Subtotal × AR15 FA BCG $ 59.99 AR15 FA BCG quantity $ 59.99 × AR15 12" M-Lok Handguard (Slant-Cut) with Barrel Nut $ 79.99 AR15 12" M-Lok Handguard (Slant-Cut) with Barrel Nut quantity $ 79.99 × BIG Modular AR10 Upper Insert - Forward Assist (Raw/Blem) $ 4.00 BIG Modular AR10 Upper Insert - Forward Assist (Raw/Blem) quantity $ 4.00 Coupon: Apply coupon Update cart Cart totals Subtotal $ 143.98 Shipping Calculate shipping Country / region: Select a country / region… Puerto RicoUnited States (US) State / County: City: Postcode / ZIP: Update Tax $ 0.00 Total $ 143.98 Proceed to checkout