These M81 Woodland pattern USGI Hot Barrel Bags are designed to transport spare machinegun parts & barrels for the M240 & M249 weapon systems. The flame-resistant thermal barrier on the inside flap of the bag protects against temperatures up to 1800 degrees. They are approximately 28″ to 30″ long and 7″ to 8″ wide when folded and has multiple pockets for your tools and accessories. These are all in excellent condition and come with a removable padded sling. They make cool little range bags to transport SBR’s, AR Pistols and compact LMGs to the range and they’re great for you guys with Fightlite MCRs, DFX and Ares SHRIKE uppers.