Original U.S. Vietnam War Era M57 “Clacker” Electrical Firing Device for the M18 Claymore Mine - Inert Hand Select:No The percussion lock looks to

The percussion lock looks to be a British "Trade" lock

It is fitted with a "banana" shaped lock plate with a small teat at the end

SOLDIER BOY” depicting a U

with twisted wire wrapping

this is a 100 percent period original example

Original U.S. Vietnam War Era M57 “Clacker” Electrical Firing Device for the M18 Claymore Mine - Inert Hand Select:No The percussion lock looks toOriginal Items. Very Few Available. We are offering a great selection of original M57 Clacker devices, an integral part of the M18 Claymore set. These are often missing from the sets, so this is a rare opportunity to complete a set. Like all deactivated ordnance pieces, these are Not Available for Export. An example of the markings on one: FIRING DEVICE ELECTRICAL M57 LOT FRO 1 94 MFG. 02 77 This would indicate a manufacture date of February 1977, so