The only upper I ever had that problem with repeatedly

by cas, Saturday, July 04, 2015, 10:17 (3370 days ago) @ rob

...not counting the occasional one due to having to use worn out 30 year old pre-ban mags. was a 10" carbine barrel with a mock moderator on it.

The extractor seemed just fine and worked just fine in anything else I tried it in, so I swore it was a pressure/dwell issue. Played around with fat gas tubes etc to changes things with no luck. I put an upgrade kit in the bolt (spring, o-ring, rubber do-hickiee) and the problem went away. :banghead:

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AR double feed continues... - rob, 2015-07-03, 19:32
- AR double feed continues... - bj, 2015-07-03, 19:55
- Another mag and factory ammo. Eliminate's everything - Rob Leahy, 2015-07-03, 21:37
  - ^^^^This is the Ticket^^^^^^^^ - Miles, 2015-07-03, 22:00
    - suspecting brass right now... - rob, 2015-07-03, 23:02
      - suspecting brass right now - mcassill, 2015-07-04, 02:26
- AR double feed continues... - Bob Hatfield, 2015-07-04, 05:32
  - Actually it's a FTE/FTF... - rob, 2015-07-04, 08:34
    - What buffer do you have in the riffle? - Miles, 2015-07-04, 23:09
      - AR Stoner Mil-spec buffer tube and whatever... - rob, 2015-07-04, 23:27
        
        So far the plan is to get to the range with... - rob, 2015-07-04, 23:35
        
        it's very difficult - Miles, 2015-07-05, 13:28
        
        Great info... - rob, 2015-07-05, 13:38
  - Makes me see and appreciate the beauty and simplicity of.... - rob, 2015-07-04, 08:39
- AR double feed continues... - jgt, 2015-07-04, 07:44
  - That is true except on an AR.... - rob, 2015-07-04, 08:36
    - The only upper I ever had that problem with repeatedly - cas, 2015-07-04, 10:17
      - i ordered the BCM extractor upgrade parts this morning so... - rob, 2015-07-04, 10:54

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The only upper I ever had that problem with repeatedly