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Found the accuracy problem with my new Hawkeye 308

This is a discussion on Found the accuracy problem with my new Hawkeye 308 within the Ruger Bolt Action forums, part of the Rifle & Shotgun Forum category; I've owned and hunted with ruger rifles since 1972. Used a great tang 270win for years in alaska. Never a problem that required a gunsmith. ...


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Old February 17th, 2017, 01:44 PM   #1
 
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Found the accuracy problem with my new Hawkeye 308

I've owned and hunted with ruger rifles since 1972. Used a great tang 270win for years in alaska. Never a problem that required a gunsmith. Used MKII's from 1996 thru 2006. Had them bedded and floated, and never a problem. Went over to win model 70s (SG in 270win and an EW in 308win) until now. Had the "want" for a new ruger so bought one from BudsGuns at a great price. Standard Hawkeye (wood/blue) in 308 win. Rifle shot 3-4" groups at the start. Floated the barrel, tried 2-3 different factory loads and no change. The other day I was researching accuracy problems with rugers and found a thread about relieving the stress caused by a binding magazine box. Took my Hawkeye apart about an hour ago, got my file out and relieved the mag box. Assembled the rifle tightening the front screw as tight as I could get it, rear screw at 30 lbs, and middle screw just tight enough to stay in place. Walked out in the yard (I live on my farm and can shoot in any direction) and the first group using rem 150gr corelokts was right at an inch. I'll do more shooting in the weeks ahead, but Brother am I relieved to have found the problem. I am a big fan of ruger and glad to be back on the bandwagon.



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Old February 17th, 2017, 04:25 PM   #2
 
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Good to hear! Now you've got yourself a shooter.

P.S. Welcome to the forum.
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Old February 18th, 2017, 08:30 AM   #3
needs more ammo
 
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Quote:
Originally Posted by Coldcuts View Post
The other day I was researching accuracy problems with rugers and found a thread about relieving the stress caused by a binding magazine box. Took my Hawkeye apart about an hour ago, got my file out and relieved the mag box.
Nice discovery. I hope to hear that other ammo shoots better as well!

Just for my own information, in which way does the binding magazine box cause the accuracy problem? What's the magazine binding against, receiver or stock?
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Old February 23rd, 2017, 04:27 AM   #4
 
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In some M77's with some stocks the magazine box is too high, and becomes a pressure point between the receiver and the tab on the rear of the front screw/mag floorplate bracket and the tab on the front of the trigger guard. You can tell if it is potentially a problem by seeing if you can wiggle the mag box with rifle assembled and tightened down. If it is tight and won't move, I suggest reassembling the rifle without the mag box and single feed the cartridges and see if groups improve.

Details, discussion, and solution in this old post currently showing on page 2 of the bolt action forum. If your gun already shoots well, no need to mess with this.

M-77 accuracy tip (Multi-page thread 1 2 3 4)
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Old February 23rd, 2017, 02:03 PM   #5
 
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good going.
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Old February 23rd, 2017, 05:07 PM   #6
 
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Great News. That not everything requires a box back to Ruger and info from the site is helpful is also great news.
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Old March 20th, 2017, 11:29 AM   #7
 
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Fabulous fix and shows the true nature of a real shooter. Great news and I'll keep it in mind if I have that in a Hawkeye...
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Old March 20th, 2017, 02:53 PM   #8
 
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Whew! You had me going there. I recall the possibility of magazine metals getting kinked during assembly. Glad you posted this. Its key to check for slight loose fit by merely dropping the floor plate..loosen the mid screw and check for any tightness. They can have a slight forward tilt that will prevent the action from mounting flush into its recess
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