40-mm grenade launcher M203.

Bibliographic Details
Corporate Author:	United States. Department of the Army
Format:	Book
Language:	English
Published:	[Washington, D.C.] : Headquarters, Dept. of the Army, 1994]
Series:	Field manual ; FM 23-31
Subjects:	United States. > Army > Handbooks, manuals, etc. Antitank weapons > Handbooks, manuals, etc. Grenades. Projectiles.

Cushing: Ragan Military (Does not check out)