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Posted: 10/12/2024 4:23:21 PM EDT
And how will your suggested upper replicate that of a Colt-offered rifle:

I have:

A1 Forward assist upper

C7 upper

A2 upper.

It will go on one of my SBR lowers, but could end up with a rifle lower.

I already have an 11.5" Commando flat top and an 11.5" charging handle upper-type carbine.
Link Posted: 10/12/2024 10:14:21 PM EDT
[#1]
The only way to do it….

Link Posted: 10/12/2024 10:28:00 PM EDT
[#2]
C7 is what I’d do.
Link Posted: 10/13/2024 3:48:40 AM EDT
[#3]
C7…
Unless you have plans for a 20” C7 clone upper in the future
Link Posted: 10/14/2024 9:10:18 AM EDT
[#4]
I concur, pick a C7.  The C7 is more suitable than an A2 for a short barreled build.  The rear sight is simpler, yet you have a forward assist.
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