57mm M306A1 H.E. Practice Round for M18 Recoilless Rifle in Korean War #military #army #bullet
This content details the 57mm M306A1 High Explosive Practice round for the M18 Recoilless Rifle. It highlights the round's perforated casing for gas venting and the 'INERT' marking indicating its training purpose. The video also shows the disassembly of the PD M503A1 fuse, dated April 1955, providing specific technical details for collectors and historians.









