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8/3/2009 8:59:00 AM EDT
i have a dpms 243 new. shoots all brands of ammo 7/8 groups. will not shoot remington 100 gr green box ( 100 gr core-lokt ) ?  stove pipes every other round and will not feed every round.   i sent gun back to dpms and they said they worked on timing, gas block, feed ramps and sent it back. works perfect on every thing but this remington shell. any answers why ?. i guess l can live with it shooting every thing but remington but was just wondering. thanks. marty
8/3/2009 9:02:15 AM EDT
[#1]
problem with my dpms


Problem diagnosed!

Kidding, that is odd.  I don't know much about Remington green box, I know alot .22's hate their .22 ammo though.  I've never fired it through my AR personally though.
8/3/2009 9:19:03 AM EDT
[#2]
Is the Remington ammo in question noticeably less hot than the other loads you are shooting? If so, there may not be enough gas available to cycle the action consistently.
8/3/2009 10:04:38 AM EDT
[#3]
i guess they could be a little under power.  not sure why the stove pipes and dents in the neck of shells? there remington 100 gr core-lokt, geen box. and will ad that info to my post. thanks. marty
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