The HK416 is comparable to the M4 in appearance, but it is dissimilar internally. The prime difference between this weapon and the M4 series is the short stroke offset piston system, replacing the expanding gas in line piston system usually found in AR pattern rifles. The HK416 is an upgraded version of the M4 carbine. It is designed in such a way that when it drives the operational rod, it will force the bolt carrier to the rear.
This design does not allow ignition gases from entering the interior of the carbine. With the HK416, it’s worth has been demonstrated when the US Navy Seals used it to exterminate Osama bin Laden. The most important feature of the M4 is its ability to execute fast point close quarters fire. According to United States combat development director rate, the M4 is the most sought-after gun by the soldiers in combat.
If in case you are not sure what these two items are, you should know that these are rifles. Some people may think that they are the same because they have the same ammunition magazines. There are a lot of differences that people should know so that they can decide which rifle will be a better option for them. The HK416 is known to have a longer barrel, which means that it will have more range and velocity as compared to the M16.
If you know that you need to shoot subjects that are far away or you need more range when shooting, the HK416 may be the better option. This also does not require as many stoppages as compared to the M4.