Armalite AR-10A2 B-Series .308 Win Semi-Auto Rifle, 20 in Barrel, A2 Sights, Fixed Stock, 20+1
This Armalite AR-10A2 B-Series delivers classic A2 configuration with proven AR-10 performance in .308 Win. It features a 20-inch chrome-lined, button-rifled, double-lapped barrel, forged aluminum receivers, and robust A2 iron sights in a fixed carry-handle upper. As a B-Series rifle, it uses the distinctive M14-pattern magazines specific to AR-10B models, and this example includes one 20-round steel magazine.
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: Visible handling marks are present from prior use. Please refer to the photos for a closer look.
What’s Included
- 1x 20-round M14-pattern steel magazine (AR-10B compatible)
The rifle follows the A2 pattern with a fixed carry-handle upper and integral A2 rear sight. The front sight is an A-frame base with an elevation-adjustable post, bayonet lug, and sling swivel. The brass deflector and ejection port cover are present, and this upper configuration omits a forward assist by design.
The 20-inch barrel is chrome-lined, button-rifled, and double-lapped, and the threaded muzzle wears a birdcage-style flash suppressor. Rifle-length, two-piece ribbed polymer handguards with round vents complete the classic profile.
The lower setup includes a fixed A2 buttstock with trapdoor compartment and rear sling loop, a black synthetic pistol grip with checkered panels, and a manual safety. Forged aluminum receivers provide a solid foundation for the direct impingement operating system.
This B-Series AR-10 uses M14-pattern magazines unique to the AR-10B family. Markings include AR-10 model designation and "ARMALITE INC. GENESEO, IL." with "RIFLE 7.62 MM" caliber marking. Capacity is stated at 20+1.