Ruger will Not hold zero!!!

[Andrew Leigh]

My shooting buddy had one for years. There was nothing he could do to get it to shoot properly. He is both a competent shot and amateur gunsmith. After checking bedding, trigger, scope mounts he recut the chamber which helped slightly but not enough to stop him from selling the rifle. He could get no better than 1.5MOA, although fine for a hunter we like to get closer to 0.5MOA on our hunting rifles.

 

[cal74]

Rifles obviously a piece of sh*t, I'll give you a couple hundred and take it off your hands.

 

[shastaboat]

I have had problems with inaccurate Ruger 77's that I have corrected. Most important-first the barrels need to be free-floated. Second the action screws must be snugged down in sequence. Install the front screw to remove slack and just bottom the screw. Then take up slack in the middle and rear screws being careful to not over torque them which will bind the action. Check again for any looseness but do not over tighten or bind the action.

 

[Omaha-BeenGlockin]

Try a different scope

Also, when mounting the rings to the receiver----jiggle the screw until you find the sweet spot then do your final tightening.

 

[ironhead7544]

I have a Ruger 77 MKII in 308. Couldnt get it to shoot. Took it to a gunsmith I know and he found the built in bases were crooked. Ruined a scope. Had a scout mount put on, shortened the barrel to 18 inches and added a Timney trigger. Worked wonders. Last two groups I shot went into 3/4 inch at 100 yards with Federal 150 gr ammo. Most ammo and handloads will group into not more than 1.5 inches.

Take a good look at the scope bases. I would have the scope rings reamed. Could be putting stress on the scope.

 

[josiewales]

I've 3/8 inch groups at 100 yards with a m77. Just sayin'. Probably a scope issue not a gun issue.