AR-15’s are known to require good lubrication otherwise they fail.
…until RF85 or Reduced Friction 85%
Anderson Rifle is the founder and came up with a revolutionary metal treatment that reduces friction by 85%. You can clean a RF85 treated firearm with ordinary soap and water and it will function without oil.
The NEC Handi rifle is the budget shooter/hunter’s dream gun. It’s cheap, simple and versatile. Since it has interchangeable barrels, it has been mated with some really wild custom barrels….like the .577 Nitro Express.
Check out this African Buffalo hunt featuring the H&R/NEC Handi Rifle with a custom .577 Nitro barrel. The load is a hard cast lead bullet at about 1800 fps. One shot puts the Buffalo down in short order.