กระทู้กลายพันธุ์ซะแล้ว
ข้อมูล M2 และ M3
M2 (top) and M3(bottom).30 Caliber Carbines
Semi- or full-automatic, and mount the T4 front band with bayonet stud
Operation: Semi or Full Auto, Selected by switch added to left side of receiver, operating on the sear mechanism
Length: 35.65 in. (905 mm)
Weight unloaded: 5 lb 7 oz (2.48 kg)
Barrel: 18 in. 4 grooves, right hand twist
Magazine: 15 or 30 round detachable box
Muzzle: velocity 1990 fps, 967 ft-lbs.
300 yds: 1035 fps, 262 ft-lbs
Ammunition: 108 gr bullet, 13 gr charge, US Service M1
Effective Range: 300 yds
Bayonet: M4, mounting on added T4 front band
In Korea, the Marines made considerable use of the M2 in the early campaigns, particularly at Inchon and Seoul. However, the weapon became very unreliable in the artic temperatures of the Chosin Reservoir battle. The frigid conditions seemed to weaken its smaller and lighter components and cause them to fail to function. The M1 Garand rifle worked reasonably well, however, particularly with the alcohol-based hair-tonic the Marines found most effective as a lubricant at that time.
The US Carbine, Caliber .30in, M3, or T3, was simply an M2 with suitable mountings prepared on the receiver to take various models of infra-red night-sighting devices. No open or conventional sights were provided. The M3, (its development title was T3), was produced in limited numbers as a semi-prototype. Only about 2100 were manufactured compared to 5,510,000 M1 carbines, 150,000 M1A1 carbines and 570,000 M2 carbines.
