Haven't made my way to this side of the forum in some time, but I have been building some AR15s and thought I'd share!
AR15A2
Barrel- Bravo Company 20 inch w/ 1:7 twist.
Non F marked Front Sight
BCG- Bravo Company
Charging Handle- Fulton Armory
Upper and Lower parts kits: Fulton Armory
FCG- Fulton Armory
Upper and lower receivers: Fulton Armory
A2 Stock, buffer tube, rifle buffer and spring- Fulton Armory.
The rest of the parts either came from BCM or Fulton, but I just can't remember which of the two I bought them from.
I've always wanted an A2 rifle that was as close as possible to one that would have been issued to the military, but all of the ones on the commercial market seem to only have a 1:9 twist. Also, I couldn't just buy an A2 upper receiver and a 1:7 barrel with a front sight assembly already installed because it would most certainly be an F marked sight, so I had to break out the drill press for this build.
Barrel- Bravo Company 16 inch with midlength gas 1:7 twist.
F marked Front Sight
BCG- Bravo Company
Charging Handle- BCM Gunfighter
Upper receiver- DSA
Carry Handle- Fulton Armory
Upper parts kit- Fulton Armory
Lower receiver- Brownells M16A1
Lower parts kit- CMMG
FCG- Geissele SSA-E
A1 stock, rifle buffer, and buffer spring- Fulton Armory
Buffer Tube- Bravo Company
I built the lower in anticipation of building a Mk12, but I still haven't got to that and wanted to put something else together in the mean time with spare parts from other rifles I've been upgrading.
Edit: Apparently tinypic shit the bed
If you have any questions, let me know and I'll do my best to answer them