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ramped or unramped barrel in 10mm? why?

Discussion in 'Handguns: Autoloaders' started by hogrdr, Feb 23, 2012.

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  1. hogrdr

    hogrdr Member

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    anyone know for sure why some 10mm barrels are ramped and some not in 1911's. my kimber eclipse is, i bought a dan cbob thinking it would be but it isn't. found out they weren't ramped till 08 . as far as i know a delta isn't, i've heard strength rumors but adding to one side of a cylinder can't possibly make it stronger. if its for feeding, why don't all 1911's have them?what am i missing here?
     
  2. Skylerbone

    Skylerbone Member

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    There are a couple factors that determine when to ramp.

    First, a single frame can be used for various barrels. Secondly, with lightweight alloy frames there's no need to concern yourself with frame ramp damage from hollow-point ammo. Finally, a ramped barrel, and it will vary from make to make, will offer more chamber support, something critical for higher pressure rounds. (like 10mm)

    Hope that helps.
     
  3. hogrdr

    hogrdr Member

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    but why are some ramped and some not even on the same model(cbob)?
     
  4. Skylerbone

    Skylerbone Member

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    It's my understanding that those 10mm DWs that experienced problems and were returned were retrofitted with ramped barrels, Wilson/Nowlin (style) I believe.
     
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