The projectile is a solid shot type, made from bar or forged steel. A steel windshield is crimped to the forward part of the projectile body. The base of the projectile contains a red tracer composition.
No information about hazardous components.
Nothing else to see.
TM 43-0001-27, Small Caliber Ammunition (chg 7, 2004)
OP 1664, Volume 1 - US Explosive Ordnance (1947)