5.56mm. Brand new, unfired (except by the factory) complete 14.5" BCM upper with complete Aero Precision M4E1 lower. The upper is a 14.5" enhanced light weight (ELW) barrel with pinned BCM comp and QRF handguard/rail.
I will sell the upper separately. $1075 w/ BCM bcg and mod 4b charging...
SOLD. Thanks!
This is for a BCM PNT (Polished Nickel Teflon) AR15 trigger assembly. It's like new in box and has only seen one short range trip. I've replaced my AR trigger so this is up for sale, pretty straightforward.
Price: $40 cash obo ftf
Location: Indy area
Thanks for looking!