4 Years and 40K Later *Dail Up Warning!

AR15, AR15A2, and MOST Sporter rifles are small pin fire control.

However when they got rid of the annoying two piece screw large hole front take down they switched to the large pin fire control (over a period of time -- so some rifles are small pin and small hole take down.)



Ray - regardless, you where out training -- while thousands of others sat on the couch...
 
My particular Sporter Target model had the mag fence and small hole front pin but the detent hole was not drilled out, instead it used a bearing push pin. I simply had the detent hole drilled out and front pivot pin put in...too easy. The lower does however suffer from large axis pins for hammer and trigger and has a MONSTER sear block pin...I mean it is way bigger then normal, the ATF must have been visiting that day.:rolleyes: . The rifle also had no bayonet lug which I replaced with a M16 barrel group.

searblock.jpg
 
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KevinB said:
Ray -- the other rule about Colt -- is that it is Colt - and you can NEVER tell what they did on every given day.
Click to expand...

I tried to tell a fellow Colt collector that very thing. I mentioned that he will be forever trying to find variants as even within the same product code there are many variants. ie. the SP2 series, I have yet to see two the same.:bangHead:
 
I can be fun though...

I've seen three different types of stocks on M4A1's, some with 4 and some with 6 position stocks.

I've stopped trying to rationalize it -- but they work....
 
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