The best replacement for barrels is gallons.

The best alternatives to barrels are rated as following:
★★★★★  gallons
★★  chrome moly
★★  non fluted
★★  blued barrels
★  storm lake
★  lone wolf
★  lone wolf barrels
★  kegs
★  chrome lined
★  krieger
★  noveske barrels
★  drums
★  cubic meters
★  barsto
  free float barrels
  volquartsen barrels
  chrome lined barrels
  shilen
  prometheus barrels
  tons of oil
  non ported barrels
  steel shot
  chrome line
  cut rifled
  30
  tubs
  krieger barrels
  smooth bore
  lilja
  factory barrels
  30 barrels

Your alternative for barrels is not listed? Suggest!
Speaking about barrels, one probably shouldn't forget about gutters.

Other search terms related to barrels and their ratings are:
★★★★★ gutters
You have in mind a companion for barrels and it is not yet here? Propose!



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barrels
gallons
chrome moly