Not a complete list, but:
For strictly civilian market rifles, you have:
Again, this list is incomplete.
No, the Mini-14 and M16 magazines are not the same. They have different designs and dimensions to accommodate each rifle's specific feeding and operating mechanisms. It is important to use the correct magazine for each rifle to ensure proper functionality and reliability.
Magazines for the M16 are made in 20 and 30 round capacity.
The M16 sieries of rifles are individual combat weapons.
The M16 and the M4 are the US designations for the AR-15 pattern of rifles.
Colt's Manufacturing made the majority of the M16 rifles, and all of the M4 rifles, purchased by the US military. Fabrique Nationale would come in second, providing some of the M16 rifles, and all of the M249 and M240 machine guns.
Same as most US Rifles; barrel, receiver group.
No
If you are talking about things like M4 and M16 then those are just the names of different types of rifles.
the top 3 rifles in the american military are the M4, the M16 and the M14
It is still in production so over 10 million
no, Mattel making military rifles is an urban legend, and comes from two sources - the first being a replica M16 they made, and the second being that they were contracted to manufacture plastic furniture for the M16 rifles, and this furniture bore the name of the manufacturer.
No the British SAS use the C7 Series of Rifles, similar to the M16 they are infact more reliable and have a longer barrel life. The weapon was developed from the M16A1E1