Home / Accessory-Barrels / Heckler and Koch (HK USA) THREAD CAP MARK 23 View cart “CANIK BARREL TP9 ELITE 9MM BLK TB” has been added to your cart. Heckler and Koch (HK USA) THREAD CAP MARK 23$3099 Only 1 left in stock Heckler and Koch (HK USA) THREAD CAP MARK 23 quantity Add to cart SKU: 970174 Category: Accessory-Barrels Product ID: 41553 Description Description Related products Sale! Springfield Armory XDM 9MM 4.5″ THREADED BARREL $15999 Original price was: $15999.$11882Current price is: $11882. Sale! Shadow Systems BARREL 9MM FS BRZ FLT $21100 Original price was: $21100.$17348Current price is: $17348. Sale! CANIK BARREL TP9 ELITE 9MM BLK TB $8299 Original price was: $8299.$7341Current price is: $7341. Sale! Shadow Systems BARREL 9MM CPT BLK FLT TB $23400 Original price was: $23400.$19156Current price is: $19156.