Bravo Company (BCM) BCM4 5.56 NATO AR-15, 16-Inch, MCMR-15 Free-Float M-LOK Rail, Flip-Up Sights, Threaded Barrel
This BCM Model BCM4 stands out with its USA-marked receivers, a 16-inch threaded barrel capped with a three-prong, open-end flash hider, and BCM's 15-inch MCMR free-float M-LOK handguard with a continuous T-marked Picatinny rail. It comes ready with flip-up polymer sights installed, useful M-LOK accessories onboard, and a magazine set totaling three mags for a stated 30+1 capacity.
Condition
Overall Condition: Excellent condition, 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: Minimal markings from previous handling and use. Please refer to the photos for additional details.
What’s Included
- Flip-up polymer front and rear sights (installed)
- Low-profile angled M-LOK handstop (installed)
- BCM M-LOK QD sling socket (installed)
- Magazines: one 30-round and two 10-round Magpul PMAG polymer magazines
Built on the AR-15 platform, this Model BCM4 uses a semi-automatic, direct-impingement operating system and is chambered in 5.56mm NATO. The lower receiver is rollmarked BCM Rifle Company, Model BCM4, CAL MULTI, Hartland, Wisconsin USA, with a selector marked SAFE and SEMI.
The 16-inch barrel is threaded and fitted with a three-prong, open-end flash hider. The upper receiver includes a forward assist, brass deflector, and an unmarked ejection-port cover, matching the rifle’s practical, duty-focused configuration.
BCM’s MCMR-15 free-float handguard is aluminum with a Type III hard-coat anodized finish and features the BCM star marking, MADE IN USA, and BCM-MCMR-15 callouts. It provides an M-LOK interface across the handguard and a continuous, T-marked Picatinny top rail spanning 15 inches.
The carbine features a telescoping stock on a carbine-length receiver extension, a 12.0-inch length of pull, and a textured polymer pistol grip with the BCM star medallion. The rifle wears a uniform matte black finish, with matte black anodizing on the receivers.
Included accessories are installed and ready to use: flip-up polymer front and rear sights, a low-profile angled M-LOK handstop, and a BCM M-LOK QD sling socket. Magazine support includes one 30-round and two 10-round magazines for a stated maximum capacity of 30+1.