Every attempt to find a replacement has ... direct mount them to the handguard. 2. Adjustable gas blocks The gas block functions as an important part of the M4 and M16’s direct impingement ...

The M4/M16 replacement effort took on new urgency during the war in Afghanistan, where American soldiers found that the M16 family of rifles and their standard-issue 5.56 mm ammunition -- designed ...

The M16 was the first general infantry rifle to make heavy use of polymers in its furniture to reduce weight and bulk. The handguard, grip, and stock were all made of polymer and certainly had a ...

The handguard is ribbed and visually distinct from ... One example of this is the M16 rifle series. In service with the U.S. Military for more than fifty years, it has fallen into the hands ...