HK UPPER RECEIVER KIT MR556A4 16.5”. 5″ – HK 51000384 UPPER RECEIVER KIT MR556A4 16.5″
TacFire .308 Winchester Upper Receiver Part Rifle Kit 14 Pieces Black Original price was: $629.99.$519.99Current price is: $519.99. 
Strike Industries AR Enhanced Lower Receiver Parts with Trigger Hammer and Disconnector Black One Size Original price was: $77.95.$75.95Current price is: $75.95. HK UPPER RECEIVER KIT MR556A4 16.5”
Original price was: $2,499.00.$2,179.00Current price is: $2,179.00.
