Anderson AM-15 .300 AAC Blackout AR-15 Rifle, 16" Threaded Barrel, Free-Float M-LOK, B5 Stock, Matte Black, 30+1
This Anderson AM-15 in .300 AAC Blackout pairs a 16-inch threaded barrel with a free-float aluminum M-LOK handguard and a flat-top Picatinny upper. It features a B5 Systems-branded collapsible stock on a 6-position receiver extension and standard AR-15 controls. Marked "ANDERSON MFG., HEBRON, KY" with "AM-15 MULTI CAL" on the lower, this U.S.-made rifle comes in very good overall condition with an excellent bore and includes one 30-round Amend2 magazine.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: There are a few very mild scuffs and light wear. The selector has three positions, but the firearm functions in semi-automatic only.
What’s Included
- 1x 30-round Amend2 polymer AR-15 pattern magazine
Chambered in .300 AAC Blackout (7.62x35mm), this AM-15 uses a direct-impingement, semi-automatic operating system and a standard AR-15 control layout. It has a right-side magazine release and a manual safety selector for familiar handling.
The 16-inch barrel is threaded and fitted with an A2-pattern birdcage flash hider. The bore is excellent with sharp rifling, supporting reliable performance with this caliber.
The rifle’s flat-top Picatinny upper includes a forward assist, ejection-port cover, and brass deflector. The free-float aluminum M-LOK handguard has slots at 3, 6, and 9 o'clock, plus short rail sections at the front and rear for accessory placement. No sights are installed.
Furniture includes a B5 Systems-branded collapsible stock on a 6-position receiver extension and an aftermarket AR-15 pistol grip with textured sides and a straight, non-grooved frontstrap. The stated length of pull is 14.5 inches, and the finish is matte black throughout the receivers and furniture.
Receiver markings note "ANDERSON MFG., HEBRON, KY" with the lower marked "AM-15 MULTI CAL." Capacity is listed at 30+1, and the rifle includes one 30-round Amend2 magazine. Made in the United States.

