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M75 Bolt Handle “Loose”?
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April 21, 2019 - 1:43 am
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Can’t decide if this is a design feature or a repair opportunity. The bolt bandle in my new(est) 75 seems to pivot a bit where it attaches to the bolt. Seems to be a spring washer between the bolt handle and the bolt and the bolt handle movement is limited by a groove or dovetail in the bolt. Gun is very high condition (in spite of my pics on another thread) and I’m inclined to believe it’s a design feature. As the receiver is grooved for a scope I’m wondering if this feature was engineered to accommodate a telescopic sight. 

Please enlighten, thanks in advance!

 

Mike

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April 21, 2019 - 5:44 pm
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TXGunNut said
Can’t decide if this is a design feature or a repair opportunity. The bolt bandle in my new(est) 75 seems to pivot a bit where it attaches to the bolt. Seems to be a spring washer between the bolt handle and the bolt and the bolt handle movement is limited by a groove or dovetail in the bolt. Gun is very high condition (in spite of my pics on another thread) and I’m inclined to believe it’s a design feature. As the receiver is grooved for a scope I’m wondering if this feature was engineered to accommodate a telescopic sight. 

Please enlighten, thanks in advance!

 

Mike  

Hi Mike,

There should not be a “spring” washer between the bolt handle and the bolt sleeve (body).  That sounds like someone’s attempt to correct a loose bolt handle which is a common problem on the Model 75 and Model 69.  As originally manufactured the bolt handle is screwed into the bolt sleeve and then staked in place to displace metal from the handle into a small groove machined into the bolt sleeve.  Here is how I repair loose handles:

1) unscrew them as far as possible from the bolt sleeve

2) clean/degrease the threads

3) apply Loctite

4) screw handle back into original position with the proper “sweep” and aligning the original stake marks

5) re-stake the handle on both sides on the original stake marks with a punch and anvil, try to angle the punch toward the groove on the bolt sleeve to push the metal back into position

6) allow the Loctite to cure

Early handles are staked with a round punch but later rifles such as yours used a flat bladed punch.  I made a handle staking tool out of a small cold chisel and dulled the blade on a sander so it had a slightly blunt/rounded tip to match the original stake mark.  When repairing the loose handle in the manner described above it is usually undetectable that a repair has been made and the Loctite helps prevent a re-occurrence.

Hope that helps,

Best Regards,

WACA Life Member #6284 - Specializing in Pre-64 Winchester .22 Rimfire

http://rimfirepublications.com/  

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April 21, 2019 - 8:37 pm
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Thanks, Jeff. The metal displaced by the punch (flat) is keeping the bolt from screwing out completely so I think I’ll let it be for now. Took it to the range today, seems it shoots as well as my other target 75 but the trigger is not quite as good as that Sporter. No creep and break is very clean, just a tad heavy. I think I’ll leave the trigger be, too. I might be able to squeeze some half inch groups (50 yds) out of this one but today wasn’t the day. Loose nut behind the trigger needs a bit more work. 😉

 

Mike

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Smokeless powder is a passing fad! -Steve Garbe
I hate rude behavior in a man. I won't tolerate it. -Woodrow F. Call, Lonesome Dove
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Presbyopia be damned, I'm going to shoot this thing! -TXGunNut
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April 21, 2019 - 9:14 pm
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The trigger on both rifles are the same and are adjustable.  Turning the adjustment screw counterclockwise lightens the trigger pull.  Old/caked grease/oil inside the trigger adjustment screw and spring can also cause a heavier trigger pull.

Best Regards,

WACA Life Member #6284 - Specializing in Pre-64 Winchester .22 Rimfire

http://rimfirepublications.com/  

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April 22, 2019 - 2:08 am
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Thanks, didn’t realize they were adjustable. For some reason I thought they weren’t so I had my gunsmith adjust the other Target. Never thought to look. 

 

Mike

Life Member TSRA, Endowment Member NRA
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Smokeless powder is a passing fad! -Steve Garbe
I hate rude behavior in a man. I won't tolerate it. -Woodrow F. Call, Lonesome Dove
Some of my favorite recipes start out with a handful of depleted counterbalance devices.-TXGunNut
Presbyopia be damned, I'm going to shoot this thing! -TXGunNut
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