This is a hollow charge Fin stablisied High Explosive anti-tank round for use with 106mm Recoilless Rifle M40A1.
TECHNICAL DATA(106 MM HEAT M344A3)
Complete Round
Length
998 mm
Weight
16.45 kg
Projectile
Projectile
Hollow charge with copper cone filled with 1.247 kg. of RDX/TNT (60/40) composition. Tall unit is stabilised with 6 fins
Fuze
PIBD M509 A2
Weight
8 kg
Components
Case
Perforated steel cartridge case M94 B1
Charge
3.65 kg 7 hole double base propellant
Grain Type
P-1 (equivalent to M 26 US type)
Primer
Percussion type P6 A2
Performance
Effective range
1,300 metres
Muzzle velocity
503 ± 8 metres/secs
Service pressure
703 ± 40 kg per sq. cm.
Range
1,000 metres
Accuracy at 1000 metres:
SD vertical
0.74 metre
SDhorizontal
0.71 metre
Penetration
300mm, against RHA target at zero obliquity, conforming to DEF-STAN 95-13/2
Packing
Two rounds each placed in a chipboard container packed in a wooden box:
Size of box
116.8 x 36.2 x 22.2 cm
Weight of box
58 kg
Colour & marking
Service brown with yellow/white stencilling
Note
This round can also be supplied as Highh Explosive Substitute (HES) round, in which dummy fuze is supplied and inert filling is done insted of active material.