The Browning M1919 has a long and rich history, but the infantry version of the M1919 A6 came rather late and had a rather low rate of fire, from which there were various attempts to adapt the AN/M2 aviation version for use on the ground, and not only in the US.
In 1931 Springfield Armory made a new T3E1 infantry machine gun and T3E3 tank machine gun based on the AN/M2. The T3E3 machine gun can be easily distinguished from the T3E1 by the massive aluminum barrel shroud. A unique feature of these experimental guns was their interchangeable pistol grips, shoulder stocks and spade grip back plates, designed so that the gun could be very easily set up into any desired configuration. For even greater convenience, the machine guns could be fed from either the left or right side. Despite all the advantages, the AN/M2 seemed unreliable at the time, and there were still a lot of M1917s in stock, so the T3E never went into production:
Characteristics T3E1:
|Rate of fire - 1200—1500 rounds/min
|Weight - (13?) kg/(28.6?) Ib
|Feed system - 100 round belt
The AN/M2 Stinger is already present in the game, but would like a better implementation. First of all, in our game the AN/M2 Stinger has wrong ammunition, the box can hold only 100 rounds, not 200. Secondly, if you have already given up the original sight, provide a full-fledged anti-aircraft sight, aiming without a front sight is uncomfortable.
Despite its good reliability, the machine gun had too high rate of fire, which was critical due to the lack of interchangeable barrel, like the MG42. In addition, there was a risk of ammunition shortage. The accuracy of the machine gun was poor. Because of all these features, the machine gun was not adopted for service:
Characteristics T33:
|Rate of fire - 1523 rounds/min
|Weight - 13 kg/28.75 Ib
|Feed system - 100 round belt
The Breda Safat is an Italian aviation machine gun. It was heavily influenced by the AN/M2, but it is difficult to say how much, some say that the Breda Safat is a poor copy of the AN/M2, others that the two machine guns have in common only the principle of automatic operation. Unfortunately it is hard to say where is the truth and where is a lie, so I decided to mention the Breda Safat. This machine gun, as well as its American counterpart, was often used by infantry, sometimes as an anti-aircraft machine gun, sometimes as a hand gun:
Characteristics Breda Safat:
|Rate of fire - 900 rounds/min
|Weight - (13?) kg/(28.6?) Ib
|Feed system - 100 round belt
The trophy AN/M2 was also modified in Germany. The bipods and anti-aircraft sight were taken from MG34, while the buttstock was taken from MG13:
Characteristics Germany AN/M2:
|Rate of fire - 1200—1500 rounds/min
|Weight - (13?) kg/(28.6?) Ib
|Feed system - 100 round belt
Japan often molificated aircraft machine guns for use on the ground, often not even of its own manufacture. Thus a large number of Browning .303 (English version of AN/M2) were modified by the Japanese during the war:
Characteristics Japan Browning .303:
|Rate of fire - 1150 rounds/min
|Weight - (13?) kg/(28.6?) Ib
|Feed system - 100 round belt
The author's work, which is worth a look:
Automatic rifles USSR Competition 1944 ENG Job №1
P.S.
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