HK UPPER RECEIVER KIT MR556A4 11”. HK 51000385 UPPER RECEIVER KIT MR556A4 11″ – Specifications for HK 51000385 UPPER RECEIVER KIT MR556A4 11″: Manufacturer: Heckler & Koch Condition: New HK 51000385 UPPER RECEIVER KIT MR556A4 11″
Tapco AR-15 Upper Receiver Part Black Original price was: $61.99.$34.99Current price is: $34.99. 
Anderson Manufacturing Upper Receiver Parts Kit Ejection Port Cover Forward Assist Assembly AM Upper Parts Kit Original price was: $40.89.$35.99Current price is: $35.99. HK UPPER RECEIVER KIT MR556A4 11”
Original price was: $2,499.00.$2,179.00Current price is: $2,179.00.
