Which Colt flat top upper for my Sporter Match H-Bar???

retepnosflow

retepnosflow

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Hey guys have a newer Colt Sporter Match H-Bar that I would like to fit with a (Colt)flat top upper. I asked this question way back & could not locate some of the answers I got & never used my pencil to remember!!!!
I need to know how to figure out which upper with which size of pins I need or Who to ask!!!...sort of a loaded question but I know there are a couple guys who could help me out, Once again I tried a search with the search function and came up with nothing....Cheers!
Retep!:cheers:
 
Colt flat top uppers

Very simple if it has the standard front captive pin like the mil spec. that pushes out that is considered a small hole upper. If it has the 2 slotted screws, one on each side, that is the large hole upper. If you check biggerhammer you will see it marked as a sticky at the top of the forum. It is a good reference source.gladius 2
 
I found a Colt 6701 upper on the EE a couple years back. The lower had been long traded/sold off by the original owner. Since then, I've only seen two other all Colt factory flat top uppers on the EE. One was a large pin, the other a small pin. These uppers/rifles appear to be rarer than LE6921s.
 
gladius 2 said:
Very simple if it has the standard front captive pin like the mil spec. that pushes out that is considered a small hole upper. If it has the 2 slotted screws, one on each side, that is the large hole upper. If you check biggerhammer you will see it marked as a sticky at the top of the forum. It is a good reference source.gladius 2
Click to expand...

Not completely correct. Colt also made some small hole uppers and lowers that attached with the two part screws. These cannot be converted for use with a standard push pin without some machining as their is no way to install the detent that retains the pivot pin.
 
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