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Old 08-20-2016, 07:12 AM
e1911 e1911 is offline
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Can't get anything but HV ammo to cycle Can't get anything but HV ammo to cycle Can't get anything but HV ammo to cycle Can't get anything but HV ammo to cycle Can't get anything but HV ammo to cycle  
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Default Can't get anything but HV ammo to cycle

So I've tried everything--cleaned, installed volq extractor, and tuned the ejector--but my 15-22 will only cycle HV ammo. Anything less, including SV, the trigger won't reset or the second round doesn't chamber. Tried different mags but the same. In fact, I have two 15-22s, one a Gen 2, and exact same issue. Called S&W and they just say it's within spec and I should only shoot HV ammo with it. Federal auto match isn't very reliable either. CCI mini mags and Remington golden bullets run flawlessly.

Any other thoughts on how I can get it to cycle SV or even subs? Polish feed ramp or cut recoil spring??

Thanks.
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Old 08-20-2016, 08:15 AM
sithlord sithlord is offline
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Can't get anything but HV ammo to cycle Can't get anything but HV ammo to cycle Can't get anything but HV ammo to cycle Can't get anything but HV ammo to cycle Can't get anything but HV ammo to cycle  
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Check to see that your bolt rides FREELY on the guide rails. If there is even a slight tug, you can have issues cycling.

The guide rails are easily bent out of alignment. Sometimes there are burrs that are on the rails as well that need to be filed off.
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Old 08-20-2016, 09:05 AM
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Default Changer spring?

If you prefer to shoot standard velocity ammo, you may consider a lighter return spring. Woolf Springs may have them.
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Old 08-20-2016, 10:48 AM
tomcatt51 tomcatt51 is offline
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Quote:
Originally Posted by federali View Post
If you prefer to shoot standard velocity ammo, you may consider a lighter return spring. Woolf Springs may have them.
Wolff doesn't.

Bolt cycling is controlled by three things:
Bolt weight.
Recoil spring weight.
Hammer spring weight.

Those are the "tuning" variables and assumes you don't have mechanical issues causing the bolt to drag.

Last edited by tomcatt51; 08-20-2016 at 11:05 PM.
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Old 08-20-2016, 11:01 AM
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RedNeck Jim RedNeck Jim is offline
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Assuming you are still running the stock triggers, I'm with sithlord and think you need to check the rails. It shouldn't take HV ammo to push the bolt back. IMO, since it does, that means something is in a bind.
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Old 08-20-2016, 12:21 PM
tomcatt51 tomcatt51 is offline
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I'm running a Giessele SD 3 Gun trigger group which uses a heavier hammer spring. It still runs Norma Tac-22 (std velocity), the only std velocity ammo I've tried, just fine.
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Old 08-20-2016, 10:05 PM
e1911 e1911 is offline
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I have the CMC trigger but same issue with or without stock trigger. I'll check the rails. I notice the ejector does sit very close to the inside bolt channel.


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Old 08-20-2016, 10:49 PM
sithlord sithlord is offline
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Can't get anything but HV ammo to cycle Can't get anything but HV ammo to cycle Can't get anything but HV ammo to cycle Can't get anything but HV ammo to cycle Can't get anything but HV ammo to cycle  
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The ejector should NOT touch the underside of the bolt. However, the clearance should be minimal.
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Old 08-20-2016, 10:53 PM
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RedNeck Jim RedNeck Jim is offline
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Quote:
Originally Posted by e1911 View Post
I have the CMC trigger but same issue with or without stock trigger. I'll check the rails. I notice the ejector does sit very close to the inside bolt channel.
I too have the CMC trigger in both my 15-22s and I have no issues. You mention you have "tuned" your ejector & that makes me wonder if that is part of the issue. I have always made it a point to not mess with mine whatsoever, to the extent I cover it with a straw during cleaning.

When you remove the spring, the bolt should slide the entire length of the rails with no resistance at like... like a hot knife thru butter.
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Old 08-21-2016, 01:20 AM
Luke79 Luke79 is offline
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Are you running the stock poly charging handle? Mine started acting up when I started using the NLA ambi charging handle. A slight design flaw in the rifle or the charging handle created unnecessary friction not allowing the trigger to reset. And this was with high velocity ammunition because that is the only thing that you can find in my area. The bolt was scraping off material from the charging handle every shot in my case. As others have mentioned just another possible cause of extra friction that can lead to cycling issues. For what it is worth I also have a 3.5# cmc trigger
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Old 08-21-2016, 01:38 AM
Luke79 Luke79 is offline
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As a side note I have the cmc trigger because I bought the slide fire kit awhile back, when it was cheap. Thanks to you guys here. My 15-22 would run it with a Nikon p-22 2-7 in a Burris pepr mount. That was also with the stock charging handle and stock poly handguard. I have not tried the slide fire with a red dot and the lighter aluminum handguard that I have now. I am guessing that it would run even better
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Old 08-21-2016, 11:37 AM
e1911 e1911 is offline
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Can't get anything but HV ammo to cycle Can't get anything but HV ammo to cycle Can't get anything but HV ammo to cycle Can't get anything but HV ammo to cycle Can't get anything but HV ammo to cycle  
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Stock charging handle. Will check the rails.


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