Monday, December 22, 2008


After some inspection and a short internet search, I know what I've got as far as the M16A1 upper goes.

It's a late '71 to 1974 production Colt, 1/12 twist chrome bore. This is from the marking "C MP B" on the barrel.

That's about all I've got for tonight, I'm pooped.


Blogger Bunnyman said...

Cool beans.

3:01 AM  
Anonymous Ritchie said...

+1 cool beans, history in your hands & all that. A little odd to think of the new kid on the block being "history". The 1/12 twist means you'll be limited to 55 grain bullets. Unless you're already an expert, I recommend "The Gun Digest Book of the AR-15" by Patrick Sweeny.

10:10 PM  

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