The Mark II. While there were minor changes over time, including a machined scope mount and more accurate Ruger-made barrels, the M77 remained relatively unchanged until 1991 with the introduction of the Mark II.
In September 2016, TFB announced that Ruger was discontinuing its 77 series rifle. Especially the revolver calibers (. 357 Magnum, .
The M77 Mark II is currently marketed as the M77 Mark II Target Rifle, with one possibility why Ruger would prefer the user to use the M77 Mark II as a competition rifle over the M77 Hawkeye (effective the current form of the M77) would be used by small game hunters and vermin (hunting small rodents…).
It worked perfectly on the shooting range, driving, feeding and ejecting consistently and reliably. The scope I had previously used on a Thompson Center Dimension is a perfectly adequate mid-range scope with a clear lens and fine reticle. Ruger’s earlier trigger mechanism, which the LC6 is said to replace.
In 2006, Ruger introduced the Hawkeye, the second reincarnation of the original M77.
The caliber sizes offered include the cartridges . 223 Remington, . 243 Winchester and . 308 Winchester, while the most common twist ratio is 1:9 in.
The magazine capacity of the Ruger Express Rifle is three rounds.
Ruger – M77® Product Safety Alert and Recall Notice. Ruger has found that the trigger lag adjustment screw in some of their M77® bolt action rifles manufactured between 1968 and 1991 may not be tight and may move too easily.
The new M77 Hawkeye rifles I tested were exceptionally accurate and are impressive rifles. I recently tested the Ruger M77 Hawkeye Predator and it was one of the most accurate factory rifles I have ever shot.
375 Ruger uses a unique cartridge case designed by Hornady and Ruger. The case features a rimless design with a base and rim diameter of . 532 inches (13.5 mm), which is the same diameter of the belt on belted magnum cases, based on the . 300 H&H Magnum and .