I took my newly built rifle out for the second time today, and have some results to share. I brought along some Radway (92 headstamp) and the remains of the Black Hills blue box (55gr FMJ) that I used to break the rifle in. I didn't get to do much accuracy testing the first time out, so I took this opportunity to do so.
I was only able to fire 108 rounds of the Radway, and it cycled without any problems. In fact, it was hotter than the Black Hills that I had. It was also quite a bit dirtier and smelled fairly odd.
My apologies for the poor quality pictures.
The rifle:

RRA A2 Buttstock Assembly
Fulton Armory Lower Receiver
Stag LPK
Bushmaster 10rd mag
blacklisted magazine lock
Wilson Combat scope mount
Burris Fullfield II 3-9X40mm
YHM Low Profile gas block
JP 1st generation free float tube
White Oak Armament 20" Stainless Service Rifle Barrel (1-7, Wylde chamber)
White Oak Bolt Carrier*
White Oak Upper Receiver*
White Oak Charging Handle*
* I'm not exactly sure who makes these, but they are excellent quality. Comparing them to CMT parts, they appear to be the same.
First I tested the Black Hills at 50 yards:

Just a bit over 1/2".
Next, the Radway:

Close to 5/8, with 3 within 1/4".
I was only able to fire 108 rounds of the Radway, and it cycled without any problems. In fact, it was hotter than the Black Hills that I had. It was also quite a bit dirtier and smelled fairly odd.
My apologies for the poor quality pictures.
The rifle:

RRA A2 Buttstock Assembly
Fulton Armory Lower Receiver
Stag LPK
Bushmaster 10rd mag
blacklisted magazine lock
Wilson Combat scope mount
Burris Fullfield II 3-9X40mm
YHM Low Profile gas block
JP 1st generation free float tube
White Oak Armament 20" Stainless Service Rifle Barrel (1-7, Wylde chamber)
White Oak Bolt Carrier*
White Oak Upper Receiver*
White Oak Charging Handle*
* I'm not exactly sure who makes these, but they are excellent quality. Comparing them to CMT parts, they appear to be the same.
First I tested the Black Hills at 50 yards:

Just a bit over 1/2".
Next, the Radway:

Close to 5/8, with 3 within 1/4".




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