Home / Accessory-Barrels / Heckler and Koch (HK USA) BARREL HK45 45ACP THREADED Sale! Heckler and Koch (HK USA) BARREL HK45 45ACP THREADED$27300 $24466 Out of stock SKU: 226351 Category: Accessory-Barrels Product ID: 41589 Description Description Related products Sale! FN BARREL AR-15 5.56MM 14.5″ $39900 $35395 Sale! FN BBL AR-15 5.56MM 10.5″ M16 CAR $29900 $27441 Sale! Springfield Armory XDM 9MM 4.5″ THREADED BARREL $15999 $11881 Sale! FN BARREL AR-15 5.56MM 16″ MID $39900 $35395