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2A Armament Xanthos XLR-18 .308 Rifle - 18"

AR-10 Rifle


2A Armament innovation continues with the Xanthos Lite .308 rifle. Built with an abundance of 2A manufactured quality components. This fully assembled rifle weighs in at 6.75 lbs, which is lighter than many AR15's. The same high manufacturing standards and craftsmanship that 2A Armament is known for are extended into this platform.


Key features include: A Straight Cut Xanthos Lite rail designs that uses their tension lock design for attachment with an M-LOK mounting solution. 2A Titanium parts include the gas block, the takedown pins, and the X4 brake.

Each rifle is hand assembled to order, test fired, and backed by our great support staff.



  • 2A Lower Receiver: CNC machined 7075-T6 billet with flared mag-well, type III class 2 anodize finish, rear tensioning screw, rear takedown spring retainer, and screw in bolt catch pin.
  • 2A Upper Receiver: CNC machined 7075-T6 billet, type-III class 2 anodize finish, "slick side" design, retained port door rod, M4 style feed ramps, machined T numbers in picatinny rail.
  • 2A Bolt Carrier Group: 8620 machined body with QPQ process, 9310 machined bolt, cryogenically treated, MPT, QPQ process.
  • 2A Handguard: Straight Cut 15" 6061 extrusions Xanthos Lite series with aluminum barrel nut. M-LOK format. See Xanthos rail product information for selection options.
  • 2A Barrel: 18" 2A contour lightweight .308 profile, 4150 gun barrel steel with QPQ Nitride, black oxide extension, rifle-length gas system, .308 Match chamber, 1 in 10 twist,
  • 2A Gas Block: .750 dia titanium gas block.
  • 2A Muzzle Device: Titanium .308 X4 brake
  • 2A Receiver Extension: Mil-spec, 8 position 6061-T6, standard H2 buffer.
  • Strike Industries Charging Handle: AR10 Charging Handle with extended latch
  • Stock/Grip: BCM MOD 0 Grip, MFT Minimalist Stock
  • Trigger: Timney,Two stage, flat trigger, 2lb set/2lb release
  • Lower Parts: Mil-spec safety, magazine catch, bolt catch, through drilled 2A titanium takedown pins.
  • Due to supply issues, no magazine included.
  • Weight: 6.75 pounds
More Information
Product Type AR-10 Rifle
Manufacturer 2A Armament
Gas Block Diameter .750"
Thread Pitch 5/8x24
Color Black
Gas Length Rifle
Rail Length 15"
Mount M-LOK
Barrel Length 18"
Caliber .308 Win
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