Posted: 7/11/2010 12:06:08 PM EDT
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I purchased a Colt M4 upper receiver from the EE last year (no barrel or BCG) and recently installed it on a 6920 lower receiver. I was surprised to notice the difference in color between the upper and lower receivers. I haven't noticed this particular tint on any of the Government issued M4s, but then I haven't really looked that closely to be honest. It's definitely different then the grayish finish found on Match Targets. Do any of you Colt gurus have any information as to when and for whom Colt produced upper M4 upper receivers with the "dark purplish" tint?
(Keep in mind the flash from my camera really highlights the difference in the color. It's not really that pronounced under sunlight or normal indoor lighting.) 
Best Regards, |
. I know it's not the same, but a buddy of mine has a Noveske N4, and the RIS (Noveske RIS) looks purple just like your upper when he takes flash photos of it.
time for new glasses...
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Quoted: I think he bought the upper receiver only with not barrel. So I dont think there is a way to know.
The upper receiver was basically new in a clear plastic wrapper when I purchased it. I swapped it with the A2 upper receiver on my MT6601C. Of course then I felt sorry for that lonely unused MT6601 A2 upper receiver and purchased all of the necessary Colt components to "rebuild" it. A 6920 lower receiver went under the M4 upper. The MT6601 lower was reunited with its factory A2 upper after a new take off pre-ban MT6700 barrel had been installed. Throw in a FA Colt BCG to the mix and suddenly there are A2 and A4 configured Colts in the safe. Damn BRD. |