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 handle.
No shipping.
Meet in or around Johnson County.
I will update the pics with the Aero lower shortly
$1400
I will sell the upper separately. $1075 w/ BCM bcg and mod 4b charging handle.
No shipping.
Meet in or around Johnson County.
I will update the pics with the Aero lower shortly
$1400
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