Battle Rifle Company BR4 .300 AAC Blackout AR-15, 16-inch Threaded Barrel, Aero Precision ATLAS S-ONE M-LOK Handguard, 30+1
This Battle Rifle Company BR4 is a .300 AAC Blackout AR-15 configured with a 16-inch threaded barrel, a free-float Aero Precision ATLAS S-ONE M-LOK handguard, and an ambidextrous safety. It shows very good overall condition with an excellent bore and comes with a 30-round Magpul PMAG and an installed low-profile M-LOK hand stop. The lower receiver carries Battle Rifle Company markings; the upper is a flat-top T-marked unit with a forward assist and ejection-port cover.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: There are a few light scuffs on the exterior surfaces. The rifle presents cleanly overall.
What’s Included
- 1x 30-round Magpul PMAG polymer AR-15 magazine
- Low-profile M-LOK hand stop (installed)
The BR4 operates via a direct impingement system and is chambered in .300 AAC Blackout (7.62x35mm). It feeds from standard AR-15 pattern magazines and has a 30+1 capacity. Country of origin is the United States.
The 16-inch barrel is threaded at the muzzle and fitted with a multi-port brake/compensator with a crenellated (serrated) strike face. A low-profile gas block sits under the free-float handguard to keep the system streamlined.
The Aero Precision ATLAS S-ONE free-float handguard provides M-LOK slots at 3, 6, and 9 o'clock with short Picatinny sections along the 12 o'clock for mounting accessories. The upper receiver is a flat-top T-marked unit with a forward assist and ejection-port cover. No sights are installed.
Ergonomics include an ambidextrous safety selector, an ERGO textured pistol grip, and a collapsible stock with a QD sling socket. A charging handle completes the controls layout.
Receiver markings include a lower marked "MOD BR4" and "CAL MULTI" with the Battle Rifle Company crest, and the right side of the lower receiver marked "BATTLE RIFLE COMPANY HOUSTON, TEXAS."