FMK Firearms AR-1 eXtreme AR-Style .22 LR Blowback Rifle, 16-Inch Barrel, Tree of Liberty Engraved Receiver, Vortex Crossfire Red Dot
This FMK Firearms AR-1 eXtreme is a custom-built, AR-style .22 LR blowback rifle built around a serialized FMK AR-1 eXtreme lower with a factory-engraved Tree of Liberty theme. The receiver features an engraved Thomas Jefferson quote panel with attribution, along with clear FMK markings including "MULTI-CALIBER," "AR-1 EXTREME," and "MADE IN USA." It is configured with a free-float M-LOK-style handguard, an adjustable carbine-style stock, a Magpul pistol grip, and a Vortex Crossfire tube-style red dot mounted on the continuous top rail.
CONDITION
Overall Condition: Good condition, showing some signs of prior use and handling.
Specific Condition Notes: The firearm shows signs of wear and handling. The bore is clean and clear.
Bore Condition: Good - Clean, well-maintained, minor wear marks.
Bore Rifling: Good Rifling - Intact, well-defined lands and grooves.
WHAT'S INCLUDED
- Vortex Crossfire red dot sight (tube-style, mounted)
- Magpul MVG vertical foregrip (installed)
- 1x .22 LR 25-round detachable box magazine
Built on the AR-15 platform, this AR-1 eXtreme is configured as a .22 LR blowback rifle with a 16-inch barrel and a right-side charging handle/bolt handle. Markings visible on the rifle include "22 LONG RIFLE" on the upper/rail area and an "M2" marking near the right-side bolt/charging-handle slot.
The engraved lower is a standout feature, with the factory Tree of Liberty theme and an engraved quote panel reading "THE TREE OF LIBERTY MUST BE REFRESHED..." along with "THOMAS JEFFERSON." The receiver material is listed as composite polymer, finished in black, with additional observed markings including "FMK Firearms" and "PLACENTIA, CA."
Furniture and controls are set up in a familiar AR layout, including a two-position safety selector marked SAFE/FIRE, an adjustable carbine-style stock, and a Magpul pistol grip. The stated length of pull is 10.0.
Up front, the rifle uses a free-float handguard with M-LOK-style slots and lightening cuts, along with a continuous top Picatinny-style rail. A muzzle device is installed and features open side ports. No iron sights are visible.