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And another with the H2 buffer on the low gas setting. Jump ahead to about 22:00 or so.
http://www.youtube.com/user/824warri.../0/3JyTeX-fk4g
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Here's another video of a S&W VTAC upper on the same Colt F/A lower. H2 buffer in place.
http://www.youtube.com/watch?v=xehZx0Fake8
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Great videos. That rifle, range and shirt look familiar...
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Fantastic videos. Makes me proud as a SR556 owner.
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One of these days I need to try the same stuff with my 6.8.
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Here's a quick 60 rounds using one of the new Surefire mags.
http://www.youtube.com/watch?v=c9qUO..._order&list=UL
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You also may want to try a std power CS buffer spring from Brownells or Springco (their 'white' spring).
The inconsistent ejection angles are due to inconsistencies in the rearward speed of the BCG.
Andrew @ Vuurwapen Blog did some recent tests showing that the CS buffer springs seemed to keep the range of BCG velocities in a MUCH tighter window. The brownells spring is under $5 and was tested favorably. This should make your ejection more consistent and give you a better idea of how close you are to a buffer that is too heavy to lock back on empty.
Maybe even try a springco Blue w/ an H buffer? Either way, great videos. I really love what the slow-motion reveals about the AR platform.
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