Dude! That is absolutely fabulous. Seriously, nice freakin’ job. I have developed a thing for the classic ARs and your rifle is legit.
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I finally decided to take the trade-in Colt 733 upper out for a spin today. Haven’t really been in a hurry as I already had a 733 clone upper I use as a shooter. I popped the 733 upper on my SBR lower and fired off a few rounds of 55 gr ball.
Looking up the bore from the breech end and comparing the rifling with that from some of my other ARs, the Colt’s looked like maybe it was a bit worn or something to me so I was curious how well it would group but at 100 yards it turned out one 5-shot and one 6-shot group measuring just under 3” each. Which is fine by me for an 11.5” with iron sights and 55gr ball. Only caveat is that the POI very high above POA.
I suspected it had probably been zeroed at 25yds or something and the results on target at 100yds bore that suspicion out. I did mess with the windage a bit at 50yards beforehand but didn’t touch the elevation as the front post is one of those night sights that can only be adjusted in 360-degree increments. I don’t intend to put a lot of rounds through this upper, as like I said, I’ve got a clone for that. But it was nice to get it out there.
“We’re here for the bank’s money, not your money. Your money is insured by the federal government, you’re not gonna lose a dime.”
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Very nice. I have NOS big button Govt. Contract FAs in the white, if anyone needs one for a period correct retro build. Its hard to find parts these days. I can blacken them and complete them as an assembly, as they come unassembled. They were manufactured in the early 1970's to mid and used on few models before they switched to the teardrop. PM me if you need one for a clone.
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Might end up swapping the flash hider for a kac one to run a nt4 on it.
A few different choices here: https://www.tntesales.com/a1