User Panel
User Panel
User Panel
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Posted: 10/1/2005 11:33:28 AM EDT
[#2]
Hahn Precision has a drawing for the location of those holes in the LIBRARY section if you wish to go to a different upper reciever.
FYI..........RRA makes a slab sided 9mm flattop upper with NO forward assist or deflector that works well with the Oly conversions........and at much better quality than Oly. |
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Posted: 10/3/2005 10:17:09 AM EDT
[#3]
really who does rock get their forging from
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Posted: 10/3/2005 10:26:54 AM EDT
[#4]
Same forging as everyone else.....they just delete some machine operations and machine/blend off the excess. They DO NOT have the gas tube hole though. With the Oly uppers you don't need a case deflector.
FYI.....even though Oly doesn't recommend using a heavy buffer, make sure you use one! |
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Posted: 10/3/2005 10:36:11 AM EDT
[#5]
Both of my factory Olys have gas tube holes, no gas tube(you must mean RRA). Every feature is the same on the upper, other than a hole on each side for the ejector. I use a standard buffer for 9 and .45. Thousands of rounds, no issues whatsoever. |
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Posted: 10/3/2005 10:52:03 AM EDT
[#6]
The math of mass and velocity say a heavier buffer is better than a light one. You may want to try a heavier one to feel the difference, especially in the 45. |
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