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Posted: 4/5/2009 8:29:49 AM EDT
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I just received my new Rock River upper. I attached it to one of my lowers and chambered a round to test its feeding. I am now unable to pull the charging handle back to eject the round. I have taken the lower off and attempted to pull the charging handle and BCG out but simply can't....what should I do?
The ammo was store bought and fed without issue. |
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The same problem you discribe is common but has had several different reasons and solutions ranging from wrongly sized brass by SBR or REEDS, wrong bullet seating depth (COL), to chamber tightness/ needing polishing by RRA.
You will find many different treads on 458socomforums.com that seem to discuss the same issue. Mine went away when i started rolling my own but i dont know if it was also a breakin issue/chamber tightness. |
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Can you tell us brand of ammo?
Where in TX are you? Chamber is likely tight, can be cleaned up relatively easily, some folks have done it themselves, others have RRA or us do it To get it to open, put upper back on lower, hold upper with non-dominant hand, place dominant hand index and middle finger around charging handle. Pull on charging handle, at same time struck buttstock on ground, combined action should serve to unlock the weapon. |
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I had one of the RRA uppers with the rough chamber that RRA polished and returned. Best way to remove the round is to put it back together, sit it down on the butt and tap on the charging handle with a rubber mallet. It should come out, however, if the ejector pulls through the case rim then try a wooded dowel/rod (longer than your barrel) through the barrel and tap again with the rubber mallet until it taps out. This should not take a lot of force as it when into battery with only the force of the buffer spring and the weight of the BCG behind it. I once turned my AR upside down and put the charging handle on the edge of a wooden table at the range and hit the butt with the palm of my hand, as I said it does not take much force to loosen it up. Hope this helps.
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Different ways to polish a chamber. Some folks like to take a shotgun chamber mop, apply Flitz and stick that in a drill. I have seen it done (and personally used) a dowel with 1200 grit sand paper (wetted with gun oil) in a cordless drill. If you join the 458 forums, there are one or two threads there on folks who have done this with pictures, etc.
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Quoted: Different ways to polish a chamber. Some folks like to take a shotgun chamber mop, apply Flitz and stick that in a drill. I have seen it done (and personally used) a dowel with 1200 grit sand paper (wetted with gun oil) in a cordless drill. If you join the 458 forums, there are one or two threads there on folks who have done this with pictures, etc. thanks Marty, I am over there. Seems easier to navigate here though. Think I will check for those threads and then take a shot at it. |
I had the exact same problem as the OP and it was the factory Ammo, I sent the ammo back and they replaced it and it shot fine out of my RRA. Since then I have started reloading and have not had any problems, about 500 flawless rounds now. So I would make sure it is not the ammo before sending off your rifle
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I had the exact same problem as the OP and it was the factory Ammo, I sent the ammo back and they replaced it and it shot fine out of my RRA. Since then I have started reloading and have not had any problems, about 500 flawless rounds now. So I would make sure it is not the ammo before sending off your rifle Reed's and SBR both had some batches that did not seem up to par... |
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I'm in FW with the same problem - RRA 458 Socom, Reeds ammo. I got a return authorization from RRA, but rather save on the time and shipping and do it myself if possible. For the member who's in Texas and offered to help - where are you located? Who, me? Just north of Houston... |
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I had the exact same problem as the OP and it was the factory Ammo, I sent the ammo back and they replaced it and it shot fine out of my RRA. Since then I have started reloading and have not had any problems, about 500 flawless rounds now. So I would make sure it is not the ammo before sending off your rifle Reed's and SBR both had some batches that did not seem up to par... It was Reed's, I was told by Ron that the case neck was off center on the batch I had. |
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I had the exact same problem as the OP and it was the factory Ammo, I sent the ammo back and they replaced it and it shot fine out of my RRA. Since then I have started reloading and have not had any problems, about 500 flawless rounds now. So I would make sure it is not the ammo before sending off your rifle Reed's and SBR both had some batches that did not seem up to par... It was Reed's, I was told by Ron that the case neck was off center on the batch I had. It was both at one point. I had/may still have some bad Reed's rounds that I've never fired due to some issues, but since I started reloading this round en masse I haven't shot factory production loads for a while... |
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Quoted: Quoted: Has anyone had any luck with Reeds swapping the bad ammo out? Yes, it took a while but he replaced mine and sent me an additional 15 rounds to cover shipping it back to him. Do you know when the bad ammo was made? Or what loads it was put into? I have several hundred rounds from them - that's why I am asking. I've used about 150 rounds so far and have had a few mis-shaped cases that wouldn't feed. Good to know I can send them back. Thanks! |
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Has anyone had any luck with Reeds swapping the bad ammo out? Yes, it took a while but he replaced mine and sent me an additional 15 rounds to cover shipping it back to him. Do you know when the bad ammo was made? Or what loads it was put into? I have several hundred rounds from them - that's why I am asking. I've used about 150 rounds so far and have had a few mis-shaped cases that wouldn't feed. Good to know I can send them back. Thanks! I had the 350g Hornady RN SP and it was the middle of last year. |
| It will take a few rounds to smooth out the interface between the back of the bolt lugs and front of the matching lugs on the barrel extension. As you have discovered, the stiction can be bad with a minimum sized chamber and maximum sized cartridge. Application of high pressure grease to the backs of the bolt lugs will help until things loosen up after a few rounds. |
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