INSAS 5.56 MM BALL AMMN
Cartridge (INSAS) 5.56mm Ball Ammn is used in antipersonnel role by infantry and is fired from;
a) Semi-automatic INSAS Rifle
b) INSAS LMG
 
PHYSICAL CHARACTERISTICS :
(a) CARTRIDGE
Calibre 5.56 x 45 mm
Mass 12.85 gm
Length 60.00 mm
(b) CASE
Type Rimless, Brass 70:30, Bottle Necked, Boxer
Mass 6.7 gm
Length 45.0 mm
(c) BULLET
Type Guilding Metal envelope FMJ, Steel insert & lead core
Mass 4.16 gm
Length 24.5 mm
(d) PROPELLANT
Type Ball Powder
Mass 1.64 gm
(e) PRIMER
Type Boxer
Mass of Compo 0.025 gm
 
PERFORMANCE CHARACTERISTICS :
(a) Pressure Average 335 Mpa (Max)
(b) Mean Velocity from 558 mm Barrel at 25 m from muzzle 890 m/s.
(c) Consistency (Mean Figure of Merit at 457 m) 16.5 cm or less
(d) Extreme temperature performance -53 to +52 deg C
 
SHELF LIFE :
The shelf life of Ammunition is 18 years .
 
PACKING :
20 Cartgs. are packed in one Carton and 40 such cartons in one H2A Box, hermetically sealed. One carrier size (6 A/L) contains 4 H2A boxes.
Box H2A size - 311 x 156 x 194 mm
Carrier 6 A/L size - 667 x 327 x 205 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
http://www.ofb.gov.in