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  • Best upper. Without modifications.

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    in Long Gun


  • I ordered this BFSIII. Customized it with the furniture to my liking. Now I'm looking for a very durable upper. At this point im looking at the Daniel Defense DDM4v9 Upper. I hear a lot of people saying they've had to replace springs and buffer tubes, etc.to make the bsfIII perform correctly. Any suggestions on an upper to get the most out of this lower. Thanks in advance.


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  • Community Default Avatar
    by - Lifetime Points: 73583
    Chosen as Best Answer
  • Brian, I would get the Daniel Defense DDM4v9 Upper and not look back. You will not have to replace/upgrade a single thing on the DDM4v9 Upper.

  • Community Default Avatar
    by - Lifetime Points: 72
  • Almost all quality upper “mfg’s” buy an unfinished forged billet or cast billets from primarily 8 vendors (though there are at least 16 or more out there). They either finish the blanks in house or have it done by a third part machine shop. The general rule is, the more they cost, the better the fit, finish and “extra features” included. This not 100% guaranteed, but any with a brand name upper and moderate to higher end price tag are safe bets. A key to remember is, the upper primarily provides a “pathway” for the bolt to slide back and forth and a path to get a bullet up in front of the bolt to be pushed into the chamber. The level of forces in the upper is comparatively moderate. The key is the finish (smoothness and tolerances) of the contact areas where the bolt carrier sides contacts the upper. Even the ones priced at the bottom of the mid-range price point will serve you well. Look for a brand name. You can even find complete uppers with barrel, hand guard, bolt carrier group (BCG), gas block and tube as set or combos thereof. So many choices…

  • Community Default Avatar
    by - Lifetime Points: 25707
  • I agree the Daniel Defense DDM4v9 Upper is one of the best out of the box

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