Mueller Dog bone hosted 10.3in Ballistic Advantage upper with a Geissele MK8 rail system (and covers) running a Bootleg BCG with brand new gas rings and a Geissele Charging handle.
Ran flawlessly when installed on my lower. Ran suppressed and un-suppressed with zero issues.
600 rounds through the pipe.
Slaps steel at 200yds with a non-mag eotech XPS2.
Mueller Dog Bone upper (with teardrop FA)
Geissele mk8 rail (blemula markings)
Geissele Charging handle
Bootleg auto BCG and new gas rings installed
Bootleg stainless gas tube and bootleg low profile block.
Rearden DPB for hub suppressors.