Master Model has started something a little different; they are now releasing sets of barrels for specific kits. This kit is custom designed for the Zvezda Varyag kit, and contains all the barrels neccessary to convert from the plastic ones in the kit to machined barrels from Master. Included are 12 x 152mm main, 12 x 75mm secondary, and 8 47mm Hotchkiss barrels.