RRA non chrome "M-4" 1x9 upper with KAC FF RAS and barrel cut to 14.5 by
ADCO and a KKF fake flash hider added to make it 16.
Also has a RRA bolt and bolt carrier with McFarland gas ring
and D-Fender installed on the extractor.
RRA charging handle has a PRI latch installed.
Less than 400 rounds of M193 through it and only cleaned
with CLP and patches.
KAC FF RAS has three full length panels.