BCM BCM4 MCMR 12.5" 5.56 NATO AR-15 Pistol – Free-Float M-LOK Handguard, SBA3 Brace, 30-Round PMAG
This Bravo Company Manufacturing BCM4 MCMR pistol combines BCM’s combat-proven components with a compact 12.5-inch government-profile barrel. Built on forged 7075-T6 aluminum receivers and equipped with BCM’s MCMR free-float M-LOK handguard, it delivers reliable 5.56 NATO performance in a maneuverable package. A carbine-length gas system, chrome-lined bore, and HPT/MPI bolt underscore BCM’s quality control, while the SBA3 brace offers five-position adjustability.
Condition
Overall Condition: Excellent – showing only faint signs of any prior use or handling.
Bore Condition: Excellent – clean, mirror finish, no signs of wear.
Rifling: Excellent – sharp lands and grooves.
Specific Condition Notes: The metal surfaces display a few minor, superficial scratches and small blemishes that do not affect function.
What’s Included
- BCM BCM4 MCMR 12.5" 5.56 NATO AR pistol (as described)
- Magpul PMAG Gen M3 30-round magazine
- Polymer M-LOK angled fore-grip (installed)
- M-LOK push-button QD sling swivel socket (installed)
The 12.5-inch 11595E CMV steel barrel is chrome-lined, threaded 1/2-28, and paired with a BCM multi-port compensator/flash hider for reduced muzzle rise.
The free-float BCM MCMR-10 handguard features steel-reinforced locking lugs and full-length T-marked Picatinny rail space, giving plenty of room for optics and accessories.
Forged upper and lower receivers receive a durable Type III hard-coat anodized matte black finish. BCM’s Gunfighter textured pistol grip enhances control, while the SB Tactical SBA3 brace provides five-position adjustment and a Velcro strap for improved stability.
A high-pressure-tested/magnetic-particle-inspected bolt and chrome-lined bore reflect BCM’s stringent QC standards, ensuring reliability under sustained use.
Chambered for 5.56 NATO, this pistol accepts standard AR-15 magazines and retains familiar controls, including a manual safety selector.