



▲ 160 r/ar15
Shot it and it turned blue
16” BCM Mid ELW barrel, B&T Rotex-X Mini K
Romeo 4XT + EOTech G45, SMS HXFC
u/Idkcolin — 1 day ago




16” BCM Mid ELW barrel, B&T Rotex-X Mini K
Romeo 4XT + EOTech G45, SMS HXFC
Rifle length spring & BCM T4 buffer, Riflespeed AGB on setting 2/12. 11.5” Sionics barrel & Polonium 5.56.
Getting about 720rpm now
Ugh. Think it’ll affect accuracy any? Enough for a RMA?
Tested in a (very gassy) off-the-shelf DDM4V7 with a OCL PoloK. G$ H3 and Arc Fire V2 0-45-180