Description
This round was used in the M1917, M1917A1 and M1918 howitzers. As with the M110 round, the chemical fill was loaded into the round and the burster well tube was pressed into place. This configuration minimized the likelihood of leakage. This round was developed from the Mk IIA1 limited standard chemical round.
The M105B1 round had a hemi-spherical base in the inner cavity while the M105 round had a flat base. No cartridge case was used with this round. The breech of the howitzer acts as the case.
Functioning
No information about functioning.
Hazardous Components
No information about hazardous components.
See Also
Projectile, 155mm Chemical, M110
Projectile, 155mm Chemical, Mk 2, Mk 2A1
Source(s)
Old Chemical Weapons and Related Materiel Reference Guide (2018)
Old Chemical Weapons Reference Guide (1998)
TM 9-1904, Ammunition Inspection Guide (1944)
