FMK AR-15 Polymer Stripped Lower Receiver – Black

Description

The FMK AR-15 Polymer Stripped Lower Receiver is a lightweight, composite lower designed for AR-15 platform builds. Constructed from FMK’s AR1 extreme composite polymer, it is manufactured for strength and durability while remaining exceptionally light at approximately 4.3 oz. This stripped lower is finished in black and is supplied without fire-control components, giving builders flexibility to configure the receiver to their specifications. It is intended for use in semi-automatic AR-15 assemblies chambered for .223 Rem/5.56 NATO.

Key Specifications

• The model is AR-15.
• The action is Semi-Auto.
• The caliber is .223 REM/5.56 NATO.
• The color is Black.
• The product type is a Stripped Lower Receiver.
• The material is composite polymer (AR1 extreme).
• The unloaded weight is 4.3 oz.
• The subcategory is Lower Receivers.

Lightweight and durable, this FMK polymer lower provides a practical foundation for builders who prioritize reduced weight and modern composite construction. Its stripped format allows full customization of fire-control components and accessories while retaining a robust receiver platform. Consider the FMK AR-15 polymer lower when you want a low-mass, corrosion-resistant base for a carefully configured AR-15 build.