Rifle metal condition is v ...Click for more info Ruger does not necessarily produce firearms in serial number order. I first used it on a 1987 M-77 with tang safety and recently used it on a new Hawkeye, both 308's. The rifle is based on the standard Ruger M77 Mk II rifle but the barrel has been shortened to 14.5". OK I am going to go against the trend. i sent mine back a few years ago and had it done. M77 - Original Tang Safety Model Rifle (Manufactured from 1968 to 1984) Calibers: 22-250 Rem, 223, 220 Swift, 6mm Rem, 65mm, 243, 257, 25-06 Rem, 250/3000, 264 Win, 270 Win, ... but it can be used to determine the approximate year your Ruger firearm was shipped. Bottom line finally. I had a few mis-fires. For me it seems much more likely that overtightening a v-form thread could crack a thin-sided cast Ruger 77 receiver than a thick round, forged Weatherby, Remington, or Mauser. Ruger M77 tang safety in 243 Winchester. The trig-ger overtravel adjustment set scre w (shown on right) in a few of these rifles may not be securely tightened and may move too readily. I rebarrelled a Ruger 77 tang safety in 7-08 several years ago for a good friend, but am in no hurry to do another one. It was my primary big game rifle for almost 30 yrs. I bought a tang safety 77 in 1972 when a limited run of 7X57's came out. Killed my heaviest buck with it as well as a B&C Pronghorn. What I have done is observe the working of the bolt while dry firing. The SAR Rifle is designed to be a compact survival rifle chambered in .30-06 Springfield. they said for not being able to fix the rifle they offered me 65% of any new ruger. This change in original adjustment can, in extreme cases, either I prefer the three position safety of my Mark II. about 2 months ago i broke the safety rod when i removed the stock it was my fault. The SAR Rifle, .30-06 calibre, RUGER, Model M77 is a rifle designed for use by Canada's search and rescue technicians (SAR Techs) and aircrews. I did not invent it, but rather read it in some magazine article on Ruger M-77's back then. But with later models the user can take them down for cleaning. For those unfamiliar with the Ruger M77 series evolution, keep in mind that the original "tang safety" model M77 has a radically different trigger design from the later non-user adjustable MKII and current Hawkeye "LC6" triggers with the 3 position wing safety. I have had both, and I liked both, but I prefer the three position model. safety notice: i'm not sure if all of you m77 owners out there now this or not but there is a recall on the m77 tang guns manufacture from 1968-1991 if your gun has had the recall performed it will have a "t" engraved under the bolt handle. For no good reason that I could see. Notice to Owners of Ruger M77 Bolt Action Rifles Sturm, Ruger manufactured M77 bolt action rifles from 1968 to 1991. Is it possible to take down a M77 tang safety bolt for a complete cleaning? 22" barrel, integral bases w/1" rings, deep blue metal finish, 5 shot mag., checkered walnut stock w/red rubber buttplate. i said no thanks i like my tang 7x57, they did give me links to get the parts. This generation is typically identified as the “tang-safety M77,” referring to its sliding, two-position toggle. It involves pressure on the steel magazine box that is squeezed … I read someplace something about only Ruger can do this. i called ruger to get a new one, they dont fix the tangs anymore but do the mk2s still.