In general, some form of a .22 Long rifle. In larger calibers, worldwide, the AK47 is manufacturered by the millions each year.
the most popular .22 long rifle today is the ruger 10/22
Model 70
Rifle or handgun?
22 rifle
Football was the most popular game in WWII.
30/06
Data not in the public domain
Most guns come in black.
same as today- .22 rimfire.
Some of the most popular guns being used by the American military include the M-16, M-249 Saw, M40A1 which is a sniper rifle, M-24 sniper rifle, and the M4 Carbine rifle. These are among the most commonly used guns by the American military infantry and special ops branch.
Varies every couple of years. 30/06 probably
Swarovski rifle scopes are quite popular in the United States and frequently have updated models for consumer use. The most recently released scope to the market was the Z6(i) in 2013.