Gun Machine 7.62 MM '1B'
A light machine gun capable of delivering a high volume of fire and engaging moving ground targets. It is air-cooled gas operated and magazine fed for fully automatic or semi automatic fire. It can be fired from a bipod/tripod. The gun is supplied with two barrels, which may be quickly changed in the event of overheating. The barrels is fitted with flash eliminator and gas regulator.
SPECIFICATION :
Calibre 7.62 mm
Length of Weapon 1130.30 mm
Weight of Weapon with Loaded Magazine 10.35 Kgs
Weight of weapon with Empty magazine 9.64 Kgs
Type of Magazine Box
Magazine Capacity 30 Rounds
Weight of Empty Magazine 0.40 Kgs
Weight of Loaded Magazine 1.11 Kgs
Type of Sight used with Range Setting :
- Fore Sight Adjustable Blade Type
- Back Sight Adjustable Aperture Slide and Leaf Type
Range Setting 182.8 meters to 1828.8 meters
Effective Range 457.2 meters
Maximum Range 1828.8 meters
System of Operation Gas Operated, Positive Locking
Ammunition Cartridge SA 7.62 mm Ball 'A'
Cycle Rate of Firing Per Minute 500 Rounds
Rate of Firing Single Per Minute 60 Rounds
Total Number of Components 143
Total Number of Assy/Sub Assy 23
BARREL :
Length of the Barrel 538.48 mm
Bore Diameter H 7.595 mm/ L 7.544mm
Number of Rifling Grooves 6
Twist of Rifling Grooves Right Hand
Lead of Rifling Grooves 304.8 mm
 
PERFORMANCE:
With standard 7.62 mm ball NATO ammunition the dispersion area will be 38.1 mm x 38.1 mm at 22.86 meters and 152.4 mm x 152.4 mm at 91.44 meters with a series of 5 shots with one elimination each in both the cases.
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