Nodak NDS-15 Upper and Receiver with a 20" Brownells barrel and brown M16A1 stock set
This AR-15 is setup very similar to the original AR-10 with shown by the top charging handle, this design has also been used in numerous rifles since then, such as the Famas. With the US Military wanting a small caliber rifle capable of accurate full auto fire, the AR-10 in .308 Winchester was rechambered for the much smaller 5.56 and given a T-shaped charging handle behind the rear sight assmebly.
After extensive testing of the original M16 and realising improvements had to be made to make it a more reliable service rifle an updated version was created, the A1.
The A1 variant was given a chrome plated chamber and bore to eliminate corrosion and stuck cartridges and other, minor, modifications. New cleaning kits, powder solvents and lubricants were also issued. Intensive training programs in weapons cleaning were instituted including a comic book-style operations manual. As a result, reliability problems greatly diminished and the M16A1 rifle achieved widespread acceptance by U.S. troops in Vietnam.
In 1969, the M16A1 officially replaced the M14 rifle to become the U.S. military's standard service rifle.
The M16 and it's variants became very popular with it providing troops a lightweight and controllable rifle which was much easier to carry than a M1 Garand or M14 and had a higher fire rate compared to the M1A1 Thompson, M2 Carbine or M3 'Grease Gun'. After nearly 60 years, the M16 has went through a wide range of improvements and variations and is still a popular service rifle today.
Photo taken by- @p226nut
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