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Posted: 9/26/2011 12:11:42 PM EDT
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Took my Daniel Defense out to the range for the first time yesterday. It had a difficult time cycling .223 ammo. The gun was fresh out of the box clean and i oiled it well before taking it to the range.I called Daniel Defense and they said to use 5.56 ammo next time and call them back if i still had the same issue.
I was just wondering if anyone out there has successfully cycled a full magazine of .223 ammo without any issues? |
I have no problems with 223 in my DD rifle but you made no mention of what brand and type of 223 you used.  Not all ammo is created equal. Some is good to go in an AR and some is not. It depends on a few factors - how hot the ammo is (or is not), the size of the rifle's gas port and the weight of the buffer.
Wikipedia has a good breakdown of the differences between 223 and 5.56. |
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I have a DDV4 upper. Its a carbine gas system. Im not sure what kind of buffer tube i have. It came with the CTR stock that i bought from Bravo Company. Not your buffer tube, but the buffer itself. If you bought the receiver extension kit(Here) from BCM then it comes with a std carbine buffer unless you upgraded it. If you open your rifle, look at the buffer face and it'll either be blank(carbine buffer), or have an "H", "H2", "H3", "ST-T2" etc. If you have a heavy buffer, swapping to a lighter buffer might help you out. |
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??? If I am reading this right, you replaced the buffer tube on the DD rifle when you replaced the stock. If so, I'm confused as to why you found this necessary, assuming you purchased a complete DD rifle to begin with.
I have a DDV4 upper. Its a carbine gas system. Im not sure what kind of buffer tube i have. It came with the CTR stock that i bought from Bravo Company. |
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Correction: I was wondering if anyone out there has successfully cycled a full magazine of .223 ammo through their daniel defense without any issues. No, not a magazine. 700 rounds of PMC in my 14.5 middy with standard weight buffer. 
To be fair though, the gun already had my warm handloads and lots of M855 through it. Perhaps it was "broken in". I'm sure DD will mkae any issues you have right, they're a sight sponsor, and Bounty seems to have gotten exceptional service from them. |
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Quoted:
Took my Daniel Defense out to the range for the first time yesterday. It had a difficult time cycling .223 ammo. The gun was fresh out of the box clean and i oiled it well before taking it to the range.I called Daniel Defense and they said to use 5.56 ammo next time and call them back if i still had the same issue. I was just wondering if anyone out there has successfully cycled a full magazine of .223 ammo without any issues? Can you be more detailed in your description of the cycling problem that you're having? |
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There is something wrong.,
Even if it is a 14.5" Midlength (which you said its carbine gas) it still shouldnt have problems, even with Russian ammo and a carbine buffer. Im surprised DD gave you such a caned response, but dont read to much into it If your gun cant run .223, send it back asap, but im sure it will, something else is going on What mags? and did you try other mags? And check the buffer, does it have an H on the face or is it blank? What kind of malfunction? not ejecting? not feeding? blot not locking back on last round? |
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Im gonna put some 5.56 through it today. Im pretty sure ill have the same issue, though. Even if it does cycle properly with 5.56 im still gonna send it back because all you guys seem to be doing just fine with .223.
The rifle always fires the first round out of the magazine, the empty shell extracts properly but the next round doesn't seem to get chambered. Sometimes the gun will jam attempting to chamber a round and, rarely, will it cycle 3 shots in a row but no more than that. |
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Folks, bear in mind the OP does not have a complete DD rifle but only the upper. So far all we know about the lower is that it has a CTR stock kit that was purchased from BCM and included a standard carbine buffer.
I'm going to bet that if the upper is sent back to DD, they're going to find nothing wrong it and the problem will be found in the lower. OP, DD complete rifles are shipped with an H buffer. Even if that's not the cause of the problem, you would be well advised to get one in your rifle. |
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You never said what type of mags, their condition, or if you tried others
Also is the BCG a DD? or someone else's? And you still havnt identified the buffer We need alot more info and so will DD, dont bother sending it back Feeding and extraction issues are caused by the BCG (extractor)/Buffer/or mags 98% of the time,not the upper A carbine buffer or H buffer would be good for Russian ammo, and H or H2 buffer would be advisable for 5.56 in a 16" carbine gas gun |
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I've got ~1k through my 11.5" DD, 98% of which has been Wolf and Silver Bear 62gr. I've yet to have a failure and I'm running an ST-T2 buffer. What buffer are you running? What barrel do you have (length and gas system)/ Same here with my 11.5" DD barrel...I also bought a 14.5' middy DD barrel and no issues with either.., PMC Bronze .223 55gr, AE .223 55gr, and Federal 5.56 XM193 55gr for training and competitions.. |
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I was using a Magpul pmag at first but tried a standard issue military mag to see if it was a magazine but the issue continued. Everything on and in my upper is all DD. My lower receiver is all Stag except for the Buffer, Buffer tube, spring( which is carbine weight and length), and stock.
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I started out using a brand new magpul p mag but then tried a standard military mag and the issue continued.
I called DD today and they instructed me to strip my bolt and see if i had a tiny, rubber O ring around the bottom of my extractor spring. Mine didn't have one so they mailed me a bunch and told me that the O ring should fix the problem and if it didn't to call them back. I don't know much about buffers but i do know that my issue is that the bolt isn't going back far enough to pick up another round. It seems to me that a heavier buffer will cause the bolt to travel an even shorter distance? |
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