View Full Version : A Question About Colt's Anodizing Through the Years
Why did Colt choose to change the color of their anodizing over the years? The XM15s and M16s I have seen tend to have a dark grey anodizing, the SP1/SP2/M16A1 series rifles tend to have a lighter grey, and pretty much all Colt rifles I have seen from the 90s onwards have been black. Was it a government decision or Colt's and what was the rationale behind the decision?
I just bought an M16A1 kit from SARCO. After using a degreaser on it, the receiver looked light to medium grey. After wiping it with CLP, it now looks olive grey and matches perfectly the original Colt barrel I bought for it.
So, before Colt switched to black, maybe the shade of grey has to do with how much oil has been wiped on it?
Leaveammoforme
06-13-14, 21:29
Isn't the color just a dye? Weaker or stronger solution will make it lighter or darker. Anodizing alone will leave a yellowish tint if any color at all.
I know this is correct info for a level 2 home brew. Not sure if level 3 (mil spec) follows suit though.
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