Grab The OG and get ruckin! TACTICALOPS 20 LB matte black ruck weight is constructed of solid cast iron with a break strength of 90,000 lbs to withstand even your toughest rucks. This is the OG standard, designed with ergonomic handle openings and smooth rounded edges giving it a sleek look and comfy grip. Use our ruck weights outside of your pack for weighted squats, lunges, ab work, pull/presses and even swings.