Womfat
Talking about my 12.5" BCM SBR build
Parts:
BCM 12.5” upper with MCMR handguard
BCG: Rainier Arms np3 precision grade
Charging handle: Radian Raptor LT
Lower: Aero Precision M4E1 enhanced forged
Trigger: BCM PNT
Lower parts: Geissele...