Comes with QD Taper-Lok Muzzle Brake that will fit only Sig suppressors, the original flash hider, one mag, and the original manual with lock.

MODEL: PMCX300B5BTAPPSB
OPERATING SYSTEM: Gas Piston
CALIBER: 300 Blk
MAG TYPE: AR-15
BARREL LENGTH: 5.5 in (140 mm)
MAGS INCLUDED: (1) 30rd Aluminum Mag
ACTION TYPE: Semi-Auto
STOCK TYPE: Telescoping 3 Position Brace
BARREL MATERIAL: Carbon Steel
TRIGGER TYPE: SIG Enhanced
TRIGGER WEIGHT: 5.5-9 lbs (24-40 N)
TWIST RATE: 1:5
OVERALL LENGTH: 19.3 in (489 mm)
OVERALL WIDTH: 2.8 in (71 mm)
HEIGHT: 8.0 in (203 mm)
ACCESSORY RAIL: M-LOK
WEIGHT: 5.1 lbs (2.7 kg)