Originally Posted by
1trp45
I am doing a similar build, with a LutherAr upper with A1 sights and a Colt M4A1 14.5 inch barrel. Ordering a Surefire 4 prong flash suppressor and standard M4 hand guards. I still have a few more parts to buy to finish the upper. Then I will work on the lower receiver.
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Bear in mind, the 723s used an A2 FH. As for the lower, you can be correct with either an A1 or A2.
This is a late 723 I built using a Colt 14.5" 1/7 barrel with a 1/4" spacer and A2 FH pinned and welded. The upper is original Colt (with large round head FA) as are the handguards, BCG and CH. The CAR stock is M&A Parts, which is mil-spec.
Last edited by Renegade04; 02-11-21 at 12:48.
"A Bad Day At The Range Is Better Than A Great Day Working"
USMC Force Recon 1978-1984
US Air Force Res. 1995-2004 (Air Transportation)
M16/AR15 shooter since 1978, gun collector and AR builder since 2004
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