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Broken bolt stop pin

This is a discussion on Broken bolt stop pin within the Ruger 10/22 Rimfire forums, part of the Rifle & Shotgun Forum category; Hello, The bolt stop pin in my 1022 Carbine broke after about 600 rounds! Iíve been using mostly Blazers and Stingers. I know it was ...


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Old March 8th, 2020, 09:47 AM   #1
 
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Thumbs up Broken bolt stop pin

Hello,
The bolt stop pin in my 1022 Carbine broke after about 600 rounds! Iíve been using mostly Blazers and Stingers. I know it was not broken after shooting the last of my Stingers because I disassembled and cleaned it after I shot he last Stinger. Is this a normal a occurrence? After so few shots? It must have shot for a while with the broken pin. Had I not taken it apart to clean after the second session I guess I would not know it was broken. The pin holes in the receiver seem to be ok, thanks for that! I have since installed a synthetic buffer (was not easy to feed through both holes lol) but am yet to try it - sounds quieter cycling the bolt by hand though. I still love this gun!!
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Old March 8th, 2020, 09:51 AM   #2
 
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No that is certainly not common. I suspect there was some metallurgical defect in the pin.
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Old March 8th, 2020, 10:04 AM   #3
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I've never seen a bolt stop pin break … probably from Stingers. They produce a lot more bolt thrust. I think Ruger says not to use Hyper Velocity ammo???
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Old March 8th, 2020, 10:49 AM   #4
 
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Lowegan,
I was not aware that Ruger advised against the use of Hyper velocity ammo! Of the 600 or so rounds I shot only 50 were Stingers. I think my rifle prefers Blazers anyway.
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Old March 8th, 2020, 10:25 PM   #5
 
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Ruger 2009 10/22 manual:

The RUGER 10/22 CARBINE and 10/22 Rifles are chambered for, and designed to properly function with, only the 22 caliber Long Rifle rimfire cartridge, standard, high velocity, or hyper-velocity, manufactured to U.S. industry standards.
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Old March 9th, 2020, 08:17 AM   #6
 
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the latest Ruger manual has an specific admonition regarding Stingers, but only (with 'only' underlined for emphasis) for Ruger 10/22 Target and Tactical rifles...

a new pin will set you back $6.99 at Brownells, but i'm sure if you call Ruger, it will send you one gratis...

i'd go out and buy a lottery ticket, as you seem to be hitting the odds!

:-)

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Old March 9th, 2020, 02:03 PM   #7
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Here's how a 10/22 works …. when a Standard Velocity cartridge is fired, the bolt is pushed back by chamber pressure, which compresses the recoil spring and allows the bolt to soundly slam into the bolt stop pin. High velocity 22 LR ammo develops about 15% more bolt thrust than standard velocity ammo so the bolt slams the bolt stop pin even harder. Finally, a hyper velocity Stinger cartridge will thrust the bolt at least 25% harder than a standard velocity cartridge. It's just not a good idea to use hyper velocity ammo in any semi automatic pistol or rifle because the extra bolt thrust will eventually take its toll, no matter what the owner's manual says. Stingers work great in a bolt, pump, lever, or single shot rifles and revolvers where bolt thrust is not an issue.
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Old Today, 04:51 PM   #8
 
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Well. I won’t be using Stingers much anyway. Let’s see how the new resilient buffer stands up. I also bought a packet of 10 nylon bolts as back up just in case it doesn’t.
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