He's describing the grenade as a "BLUE SMOKE GRENADE"
he M83 is a practice smoke grenade giving off white smoke
TM 43-0001-29 ARMY AMMUNITION SHEETS FOR GRENADES
Type Classification:
Std. LCC-A, AMCTC 3408
Use:
The TA Practice Smoke Hand Grenade, M83 is a burning type grenade used to generate white smoke for screening activities of small units. It is also used for ground-to-air signaling.
Description:
The grenade body is a cylinder of thin sheet metal. It is filled with 'TA smoke mixture topped with a starter slug directly under the fuze opening. The duration of smoke screen or signal is 25 to 70 seconds, average burn-time.
Hand grenade fuze M201A1 is a pyrotechnic delay- igniting fuze. The body contains a primer, first-fire misture, pyrotechnic delay column, and starter slug. Assembled to the body are a striker, striker spring, safety lever and safety pin with pull ring. The split end of the safety pin has an angular spread.
Safety clips are not required with these grenades.
Tabulated Data:
Grenade (with fuze):
Model(s)----------------------- M83
Body---------------------------- Sheet metal
Weight-------------------------- 16 oz
Length------------------------- 5.7 in.
Diameter---------------------- 2.5 in.
Color---------------------------- Forest green with light green mark- ings, a blue band, and a white top.
Packing------------------------ 1 per container; 16
per packing box
Filler:
Type---------------------------- Terephthalic Acid
(TA)
Weight-------------------------- 11 oz
Fuze:
Model(s) ---------------- ------ M201A1
Type---------------------------- Pyrotechnic delay-
igniting
Primer-------------------------- M39A1
Ignition mixture-------------- Iron oxide, tita-
nium, zirconium
Delay time--------------------- 0.7-2 sec
Weight-------------------------- 1.5 oz
Length-------------------------- 3.9 in.
Color (safety lever)--------- Gray or olive drab
w/black markings
Packing------------------------ Not separately
issued
Safety device---------------- Pull ring and safety
pin
Federal Supply Code:
NSN------------------------------- 1330-01-380-0284
DODAC--------------------------- 1330-G982
All I'm making light of is the seller is mirepresenting what he's selling