Out of stock Quick view Out of stock Remove from Compare Compare Items HK 51000385 MR556 Upper Receiver Kit 5.56mm for AR15/M16/M4 $2,179.00 HK
Only 2 left in stock Quick view Add to Cart Remove from Compare Compare Items HK 51001892 A4 Complete Upper Receiver Assembly 7.62x51mm Cold Hammer Forged Steel 16" $2,649.00 HK
Only 1 left in stock Quick view Add to Cart Remove from Compare Compare Items HK 51001919 A4 Complete Upper Receiver Assembly 7.62x51mm Cold Hammer Forged Steel 13" $2,649.00 HK
