You'll have to decide which "barrel" - there are at least 60 different barrels in use.
the repairing of barells
4.9 liters = 1.294 US gallons = 1.078 imperial gallons
41 liters = 10.831054 US Gallons 41 litres = 9.018739 Imperial Gallons
392 pints is 49 gallons. (US)
12 gallons and 1 quart
12.25
49 quarts equals 12 1/4 gallons.
222754000 milliliters
49 gallons is 392 pints.
20 gal = 160 pints
49000mL is 12.94 US gallons.
Any barrel that is Spyder threaded.