Rounds for Grenade Launchers

40x46 mm RLV-SMK-2 and RLV-SMK-4

Rounds for Grenade Launchers

 40x46 mm Round RLV-SMK-2 and RLV-SMK-4 with Smoke Grenade

RLV-SMK-2:  NSN: 1310-50-001-2442

RLV-SMK-4:  NSN: 1310-50-001-4772

The Round RLV-SMK-2 and RLV-SMK-4 are intended to be fired  at distance up to 400 m in order to place a smoke-screen or to mark targets.

The Rounds are compatible with:

- Underbarrel Grenade Launchers: ARSENAL UBGL-M6, UBGL-M7, UBGL-M16; M203; FN GL1; HK269; AG36, etc.;

- Stand-alone Grenade Launchers: ARSENAL UGGL-M1, HK169; HK269; FN GL-S; M320; etc.;

- Multi-shot Grenade Launchers: Milkor MGL; M32 MGL; ARSENAL MSGL; etc.


Type Low Velocity, Smoke Low Velocity , Smoke Bursting Red Phosphorous
Caliber, mm 40x46 40x46
Overall length, mm 103 max 103 max
Weight of Round, kg 0.225 max 0.230 max
Weight of the Grenade, kg   0.180
Payload Red phosphorous
pyrotechnic composition
Red phosphorous
pyrotechnic composition
Weight of payload, kg 0.032 0.045 approx
Scatter radius, m N/A min 15
Smoke colour White White
Time for smoke screen existence, s not less than 20 N/A
Propellant charge Double base powder Double base powder
Cartridge case material Aluminum alloy Aluminum alloy
Primer type Percussion, Boxer type Percussion, Boxer type
Fuze, type AF49-Igniting Fuze, point
detonating with delay action,
distance armed and self-destruction
AF411-point detonating with delay action, distance armed and self-destruction
Muzzle Velocity, m/s 76 76
Maximal firing distance, m up to 400  up to 400
Arming distance, m from 9 to 28 from 9 to 28
Self-destruction time , s from 14 to 19 from 14 to 19
Operation Temperature Range, °C from minus 43 to 52 from minus 43 to 52
3 metal airtight boxes (40 pcs. in each box), placed in a wooden case.
( 120 pcs. totally )
Wooden case dimensions, mm 875x398x206 875x398x206
Wooden case weight, kg 47 47
Wooden case volume, m3 0.072 0.072