
Originally Posted by
MistWolf
If you want to pick nits-
The most correct statement is Colt transitioned to the .170" holes in 1990 and used them until 2008.
For further correctness, it needs to be determined what year Colt transitioned back to the small hole- 2007 or 2008.
Did Colt make large hole receivers for the military? If not, then Colt did not use the large hole receiver regardless of customer
From the context of this topic (semi auto guns) my statements are correct
"Not every thing on Earth requires an aftermarket upgrade." demigod/markm
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