Original U.S. WWII Corps of Engineers High Explosive TNT 1/2 Pound Block - INERT MG 42 Mounts Serial number is 301876 indicates

Serial number is 301876 indicates manufacture in 1885

King's Cliffe Airfield

and has traces of the original maker markings stamped into the metal

the unit was awarded a Presidential Unit Citation (US) and received its nickname

and there are even proof marks on both grip scales

Original U.S. WWII Corps of Engineers High Explosive TNT 1/2 Pound Block - INERT MG 42 Mounts Serial number is 301876 indicatesOriginal Item: Only One Available. These 1 2 lb TNT bricks were used by various Army, Navy, and Marine engineers and demolitions units. FM 5 31, Boobytraps and Landmines, explains the use of the half pound TNT block with several fuses, including how to arm and disarm them. The TNT block could be used with the delay fuse, release fuse, or pressure fuse. This 1 2 TNT block is completely empty and totally Inert. This example is in compliance per the BATF