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10/5/2007 5:28:08 PM EDT
My new Del-Ton upper won't reliably feed. The bolt will often close on an empty chamber after ejecting the spent case ... or will get hung up on a round as it's halfway up the feed ramps.

It's not magazine-specific ... happens with all my mags, both surplus and Magpul polys.

Basically, it looks like it's not stripping rounds off the magazines properly.

Anything I should be looking at?

10/5/2007 5:29:52 PM EDT
[#1]
what length barrel? sounds like it might be a low pressure problem--
10/5/2007 5:37:15 PM EDT
[#2]
16" mid-length gas
10/5/2007 5:44:27 PM EDT
[#3]
nevermind, not pressure, just reread your post. Sounds like a mating problem between the upper & lower maybe....
10/13/2007 3:39:15 PM EDT
[#4]
i had the same problem with one of my rifles, swapped to an H2 buffer and upgraded the extractor and now it works great
10/13/2007 5:42:45 PM EDT
[#5]
Will the rifle pass a short stroke test?
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