LW155 - What does LW155 stand for? The Free Dictionary
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By incorporating new casting designs into the 155 mm howitzer design, the LW155 was born.
Barrow-in Furness, England, originally designated the LW155 as the Ultra lightweight Field Howitzer, but it has since been named the M777.
Now in low-rate initial production, the LW155 is a 155 mm lightweight towed howitzer designed to improve ground and air mobility for quick battlefield response.
Hatch said these changes have further reduced the number of welds by 80%, with a 77% reduction in weld inches, "The titanium casting conversions have resulted in major improvements to the producibility, quality and cost of the LW155," he said.