Semi-Auto rifles were in their infancy around the time WW1 rolled around but they did exist at least since the turn of the century.
If innovation had sped up to the point where they became mostly standard issue for the major players, would there have been any noticeable effect on how the war would have gone?
If innovation had sped up to the point where they became mostly standard issue for the major players, would there have been any noticeable effect on how the war would have gone?