Completed my backpack gun a couple weeks ago. This isn't my first build but it is my first "From Scratch" and "Do it all in one shot" attempt. I've put around 300 rounds through it thus far and it's a runner for sure. I did some educated guessing on the buffer with the H2 and seems to be right in the sweet spot. It is louder than my full length ARs but nowhere near what I was expecting with all the comments about 7.5" AR pistols being unbearably noisy. The accuracy is also decent. It groups about 2-3 MOA with XM193 with the 2MOA dot so plenty effective for a "Close Range" AR. Zero'd at 50 yards and hits out to 100 yards easily. Folds up and fits into a standard backback without issue, which is what I needed.
Upper
Aero Precision Upper
Aero Precision 5.56 7.5" Barrel
Aero Precision R-One 9" Handguard
KAK flashcan
JBO Low pro gas block and gas tube
Magpul handstop
Radian Raptor Charging Handle
Toolcraft BCG
Lower
Aero Precision Lower Receiver, Gen 2
Aero Precision LPK
B5 Trigger Guard
SBA3 Brace
Law Tactical Folder
Standard Carbine buffer spring w/ H2 buffer
Magpul MOE+ grip
Sights/Optics
Holsun 403B
Magpul Mbus Pro
Lots of parts
Lower coming together
Barrel dimpled and torqued
Folder is awesome
Flash Can
All finished up
A little test and tune
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