BCM 12.5-inch QRF Quad Rail SBR on an Anderson Lower

A first NFA project with a Form 1 and a Form 4: a BCM 12.5-inch upper with a QRF quad rail on an Anderson lower, wearing a B&T Print-XH RBS suppressor. A Geissele G2S trigger and Airborne charging handle, a Radian Talon set at 45 degrees, an EOTech EXPS2, an Emissary Handbrake and a B5 Bravo stock round it out.