Quick view Compare Heckler & Koch HK 81000827 MR556 A4 5.56 30+1 16.50" BBL Threaded M-LOK 6 Position Stock MSRP: Was: On Sale $3,749.00 Add to Cart
Quick view Compare Heckler & Koch HK 81000828 MR556 A4 5.56x45mm 10+1 16.50" BBL Black Threaded Ambidextrous MSRP: Was: On Sale $3,749.00 Add to Cart
Quick view Compare Heckler & Koch HK 81001050 MR556 A4 5.56 30+1 11" BBL Black Threaded 6 Position Stock Ambi MSRP: Was: On Sale $3,749.00 Add to Cart
