MKII

The body of the MKII gas is made of two sheet medal cups welded together. There are 3 rings around the bottom portion of the grenade. The filler is KJ "Stannic Chloride" which irritates the eyes and respiratory passages. The MKII is painted gray with a KJ marking in black.

MKII gas
Weight- 22oz.
Height- 3 13/16in.
Diameter- 2 1/8in.
Filler- KL
"stannic chloride"
Delay- 5 sec.
MKV

The MKV grenade body is the same as earlier gas grenades except it only has two rings on the bottom half, and has vent holes around the top. The MKV is filled with CN gas and the body is painted gray with green band and markings.

MKV
Weight- 8.65oz.
Height- ???
Diameter- ???
Filler- CN
Delay- 4-5sec.
M6
Weight- 17oz.
Filler- 10.5oz. CN-DM
Delay- 1-2sec.
Gas duration- 25-40sec.
M6 series

The only differece between the M6 grenades is the placment of the emission holes. The M6 has six holes around the top and three rows of six vertically on the side of the body. The M6a1 has four holes on top and one on the bottom. CN-DM is an irritant to both eyes and respiratory system. The body of the M6 series grenades are painted blue/gray with a red band as well as red markings, which include GAS, CN-DM, Lot #, and the date of filling.

M6a1
Weight- 20oz.
Filler- 9.5oz. CN-DM
Delay- 1-2sec.
Gas duration- 40sec.
M7
Weight- 17oz.
Filler- 10.25oz. CN
Delay- 1-2sec.
Gas duration- 1min.
M7a2
Weight- 15.5oz.
Filler- 3.5oz. CS
Delay- 1-2sec.
Gas duration- 1min.
M7a1
Weight- 18.5oz.
Filler- 12.5oz. CN
Delay- 1-2sec.
Gas duration- 1min.
M7a3
Weight- 15.5oz.
Filler- 4.5oz. CS
Delay- 1-2sec.
Gas duration- 1min.
M7 Series

The M7 grenade has the same body as the M6 except the filler. The CN filler causes upper respiratory track and in high concentration, to the skin causing a burning and itching sensation. The M7a2 and M7a3 were changed over to CS gas, which causes a severe burning sensation on your skin and in the eyes causing almost continuous tearing, impaired vision, or temporary blindness. The M7 and m7a1 grenades are painted blue/gray with a red band and red marking. Wile the M7a2 and M7a3 are painted gray with a red band and red markings.