Right side view of M16A1 HBAR light support weapon with heavier barrel and bipod.
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The M16A1 HB is a light machine gun of US origin. Early models were designated CAR-15 Heavy Assault Rifle. These were produced in small numbers in the early 1960's. They were part of the CAR-15 family, running from sub machine gun to light machine gun.
The HBAR models that were adopted for military use are based on export models of the M16A1 rifle. These have only minor modifications, including heavier barrel and a bipod. Nearly all of these were produced for export sales alongside the M16A1 assault rifle. Various nations acquired small quantities.
There are also HBAR models of the M16A1 series with heavier barrel for civilian sales and target shooting. These do not have a bipod and are semi-automatic only.
The M16A1 HBAR is a light machine gun variant of the M16A1 series of assault rifles. Both firearms are very similar, only to be distinguished at a glance by the bipod on the HBAR models.
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