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आयुध निर्माणी बोर्ड
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12.7 MM ROUND WITH ARMOUR PIERCING INCENDIARY BULLET B-32

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12.7 MM ROUND WITH ARMOUR PIERCING INCENDIARY BULLET B-32


PHYSICAL CHARACTERISTICS :

PARAMETER API APIT
Total length of ammunition 147 mm (Maximum) 147 mm (Maximum)
Total mass of ammunition 137.00g (Maximum) 132 .00g (Maximum)
Mass of bullet 49 .00 g (Maximum) 44.8 g (Max)
Mass of case 64.60 g 64.60 g
Mass of cap 0.990 g 0.990 g
Explosive filling in Cap 0.095 g (Max) Dry 0.095 g (Max) Dry
Explosive filling in bullet 1.05 g Incendiary compo 2.785 g Tracer & Incendiary compo
Propellant (ACM) 15.17 g (as reqd)

15.17 g (as reqd)

Net explosive content 16.145 g (Max) 18.93 g
 

PERFORMANCE CHARACTERISTICS:

(a) Pressure Average 303.8 Mpa (Max)
(b) Mean Velocity from 558 mm Barrel at 25 m from muzzle 817 m/s
(c) Consistency (Mean Figure of Merit at 100 m ) 18 cm or less
(d) Extreme temperature performance Ambient & 50 deg C
 
QUALITY :
The raw materials used for components are tested by independent Quality Assurance Department. During manufacturing stage, quality surveillance by both producer and services representative are provided. All the major components i.e case cartridge, bullet filled, cap filled and propellant are test fired and only passed proof components are taken into final assembly of the ammunition. The complete rounds are also proved dynamically for (a) Velocity, (b) Pressure, (c) Armour plercing, (d) Consistency, (e) Tracer functioning.
 
SAFETY :

The cap being percussion type, gets initiated only if gets a blow. The ammunition is therefore safe during manufacture, transit and storage.

 
SHELF LIFE :
The shelf life of the Ammunition is 7 years.
 

PACKING :

80 rounds are packed in 16 cartons and these 16 cartons are packed in one steel box. 4 such steel boxes are packed in one steer carrier.

 
STOWAGE DIMENSIONS :
Packing steel box size 311 X 156 X 196 mm
Packing outer carrier size 677 X 327 X 205 mm
Gross weight outer package 62 Kg
Net weight 38.52 Kg
Volume of outer package 0.045 cu meter
 
HAZARD CLASSIFICATION :
Compatibility Group S
Hazard division 1.4
Fire Fighting classification