5.56 MM BALL MKM NATO AMMN (TYPE M193)
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The Cartridge 5.56 mm Ball Mk M is equivalent to 5.56 mm NATO (M193) ammunition and are suitable for 5.56 mm standard weapon for firing, which can use 5.56 mm NATO Ammunition or INSAS Ammunition.
 
PHYSICAL CHARACTERISTICS:
(a) CARTRIDGE
Calibre 5.56 x 45 mm
Length 57.4 – 0.6 mm
(b) CASE
Type Rimless, Brass 70:30, Bottle Necked, Boxer
Length 45.0 mm
(c) BULLET
Type Guilding Metal envelope FMJ and Lead core
Mass 3.56 GRAM
(d) PROPELLANT Ball Powder Double Base (NG & NC)
(e) PRIMER Lead Styphnate base, Boxer type
 
PERFORMANCE CHARACTERISTICS:
PARAMETERS

BULLET WEIGHT

3.56 gm
BULLET TYPE Ball

Muzzle velocity at 78feet ( 24 meters )*

964 M/Scc

Muzzle energy at 78feet ( 24 meters )*

1656 Joules
Pressure:
Maximum average
Maximum average + 3sd
3660 KG/CM2
4080 KG/CM2

Accuracy (R)

2.5cm at 100m, 5.0cm at 180m
*Tested with barrel length 20” ; rifling 1:12”
*This cartridge complies with MIL-C-9963
 
QUALITY :
Various strict quality checks are adopted during manufacture. All the components are proved and inspected separately in empty stages before they are taken for Filling/Assembly.
 
SHELF LIFE :
The shelf life of Ammunition is 12 years.
 
PACKING :
20 Cartgs . are packed in a paper Carton and 40 such cartons in one H2A Box, hermetically sealed.

Box H2A Size- 311 X 156 X 194 mm
 
HAZARD CLASSIFICATION :
Compatibility group S
Hazard Division 1.4
Fire fighting classification 4
 
Contact :

Marketing & Export Division
Ordnance Factory Board
Ayudh Bhawan
Government of India
Ministry of Defence
10A, S. K. Bose Road, Kolkata – 700 001, India.

Tel: 0091-33-2248 9027 / 2248 2103 / 2248 5077-80
Fax : 0091-33-2248 1748/2210 8235
Mail : ofbtrade@dataone.in
www.ofb.gov.in