Igniter, E4R1, E4R2, E4R3, E4R4, E4R6, E4R7

 

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Description

Experimental igniters developed concurrently with the M13 and the M14.

See Also

Igniter, M13

Igniter, M14

Source(s)

OP 1664, Volume 2 - US Explosive Ordnance (1947)