Continue shopping “BIG Modular AR10 Upper Insert – Forward Assist (Black/Blem)” has been added to your cart. Remove item Thumbnail image Product Price Quantity Subtotal × AR15 223/556 Modular Upper (Blem/BLACK) $ 35.08 AR15 223/556 Modular Upper (Blem/BLACK) quantity $ 35.08 × NS3 Stock Fastener Kit $ 8.50 NS3 Stock Fastener Kit quantity $ 8.50 × The People's AR Fire Control - No Selector $ 24.99 The People's AR Fire Control - No Selector quantity $ 24.99 × BIG Modular AR10 Upper Insert - Forward Assist (Black/Blem) $ 4.00 BIG Modular AR10 Upper Insert - Forward Assist (Black/Blem) quantity $ 4.00 Coupon: Apply coupon Update cart Cart totals Subtotal $ 72.57 Shipping Calculate shipping Country / region: Select a country / region… Puerto RicoUnited States (US) State / County: City: Postcode / ZIP: Update Tax $ 0.00 Total $ 72.57 Proceed to checkout