Home / AR Parts / FMK Firearms
▼ 17% off
FMK Firearms AR-15 Lower Receiver Flat Dark Earth .223 Rem / 5.56

FMK AR-1 Extreme AR-15 Stripped Polymer Lower Receiver Flat Dark Earth

$33.34 17% off MSRP 8 in stock at 11 retailers
Accepts all standard MIL SPEC uppers up to .50 Beowulf
Compatible with most current AR15 lower parts kits, grips and stocks
Custom engraving - The tree of liberty must be refreshed from time to time with the blood of patriots and tyrants.
Extremely lightweight - 4.30z
Superior strength - Built with proprietary composite polymer to withstand extreme conditions
Unconditional lifetime warranty
Unmatched durability - When most lowers dent or break the Ar1 eXtreme bounces back to shape

Specifications

Model
AR1 Extreme
MPN
FMKGAR1EDE
UPC
850979004260
MSRP
$39.99
Action
Semi-Auto
Weight
4.3 oz
Finish
Matte
Fits
AR-15 LPK grips and stocks

Description

The FMK AR-1 Extreme is a stripped AR-15 lower receiver in Flat Dark Earth with a matte finish, built from high-impact polymer. It serves as the foundation for a custom AR-15 build and is listed for semi-automatic action.

The receiver is listed for 223 Remington and 5.56x45mm NATO calibers and weighs 4.3 oz. It is designed to accept standard AR-15 LPK grips and stocks. The retailer states it is compatible with Mil-Spec uppers up to .50 Beowulf, and each unit carries a custom engraving of a historic quote.

  • Type: Stripped lower receiver
  • Platform: AR-15
  • Calibers: 223 Remington, 5.56x45mm NATO
  • Action: Semi-Auto
  • Material: High-impact polymer
  • Finish: Matte Flat Dark Earth
  • Weight: 4.3 oz
  • Fits: AR-15 LPK grips and stocks
Stay Connected

Join our newsletter for the latest updates and exclusive deals.

ARMSAGORA

Compare prices on firearms, ammunition, and accessories from hundreds of trusted retailers. Find the best deals, track prices, and build your own loadouts.

© 2026 ARMSAGORA. All rights reserved.
Not an FFL licensed dealer. ARMSAGORA is a product comparison tool.