Up for sale is a new old stock M6A2 in 6.8mm with a 16.1 Inch Barrel.

Black VLTOR EMod Stock
MagPul Pistol Grip
Troy folding BUIS front and rear sights.
Heavy-duty polymer handguard.
Adjustable M4-style buttstock.
Short-stroke gas-piston operating system.
Match grade, cold rotary hammer forged barrel with target crown is treated with NiCorr surface conversion technology.
Low-profile gas block.
Midlength free float rail system with a removable return-to-zero top.

Any M4 MIL Std 1913 accessory can be mounted to the rail and because the rail has a monolithic profile devices can bridge from the receiver to the rail seamlessly.

The action of the M6A2 rifle is coated in their proprietary nickel coating that provides a hard permanent lubrication to the moving parts

The gas operating system is lightweight, self-regulating, and self-scraping. This system of operation does not foul the moving parts of the weapon with carbon or heat, greatly enhancing service life and reliability while decreasing both user and armorer maintenance.

Manufacturer: LWRC
Model: Special Rifle-Teams
Action: Semi-automatic
Caliber: 6.8MM
Barrel Length: 16"
Finish/Color: Black
Grips/Stock: SOPMOD
Handguard: Four Rail Handguard
Type of Barrel: 16.1" hammer forged 41V45 steel barrel
Capacity: 30Rd
Operation: Gas Piston
Bolt: Advanced Combat Bolt w/ Nickel-boron anti-tilt bolt carrier
Manufacturer Part #: M6A2R6B16