Home / Accessory-Barrels / Heckler and Koch (HK USA) BARREL USP45 45ACP TACTICAL View cart “FN BARREL AR-15 5.56MM 16″ MID” has been added to your cart. Sale! Heckler and Koch (HK USA) BARREL USP45 45ACP TACTICAL$27600 Original price was: $27600.$24704Current price is: $24704. Out of stock SKU: 226349 Category: Accessory-Barrels Product ID: 26798 Description Description Will Not Fit Compact ModelsWill Not Fit Newer HK45 Pistol Related products Sale! FN BBL AR-15 5.56MM 16″ M4 CAR $29900 Original price was: $29900.$27441Current price is: $27441. Sale! FN BBL AR-15 5.56MM 20″ M16 RIFLE $29900 Original price was: $29900.$27441Current price is: $27441. Sale! Shadow Systems BARREL 9MM FS BLK FLT $21100 Original price was: $21100.$17348Current price is: $17348. Sale! FN BBL AR-15 5.56MM 16″ M16 MID $29900 Original price was: $29900.$27441Current price is: $27441.