Gun 105mm M56A1

Technical data 105mm M56A1
Caliber 105 mm
Max. Range 13 km
Weight of barrel assembly 526 kg
Weight of barrel 320 kg
Length of barrel 2938/27,8 mm/cal
Length of riffling 2566 mm
Number of grooves 36
Twist angle (°/cal) uniform, right-hand (8° 56’/20)
Chamber volume 2,5 dm3
Type of muzle break three baffles
Type of breech mechanism horizontal sliding wedge
Weight of breech mechanism 30 kg
Type of recoil mechanism hydro-pneumatic
Weight of filed recoil mechanism 153 kg
Maximum pressure 2350 bar
Maximum projectile velocity 570 m/s
Maximum rate of fire 8 rounds/min
Range 13000 m
Fire regime 16/4, 30/10, 100/60 rounds/minute
Type of equilibrator pneumatic
Number of crew 7+1