The basic weapon system, in its highly compact M4 variant, remains in service with the U.S. military today, with a superb ...
The largest difference between the AR-15 and the M16 is in the barrels. The typical AR-15 has a 16-inch barrel, while the M16 is typically given a 20-inch barrel. What this does is make the former ...
366 TKM 9.5x38 mm was designed by the company TechCrim for smoothbore weapons with partially rifled barrel or removable ... authorized for military use as M16 and has been in service ever since.