HBAR is an abbreviation for "heavy barrel". It refers to a thicker-than-standard barrel profile and one that is typically longer for the purpose of sustained fire. They are often affixed to rifles that have been converted to machine guns.
No. HBAR is an acronym forHeavy Barrel. Also, referred to as a bull barrel. These are common barrels used in match or competition model rifles.
Heavy Barrel
foregrip only
100-1000 USD or so
Yes
600-1200
100-1000 USD or so
You will have to call Colt to find out.
any 5.56 or 233 caliber ammo
100-1500 US dollars.
Model 6601
The Maxim Gun, FN MAG 58, and Browning M2 HBAR are probably the most successful out of all of them.