Description
The FMK AR-1 Extreme is a mil-spec compatible AR-15 stripped lower receiver molded from a high-impact proprietary composite polymer. Manufactured in the USA, this component is designed as a lightweight, durable foundation for AR-15 builds. The receiver weighs 4.3 oz and carries a lifetime warranty. It is finished in a matte Flat Dark Earth color and supplied as a stripped lower.
Key Specifications
The unit is a stripped lower receiver intended for AR-15 builds.
Material is a high-impact proprietary composite polymer manufactured in the USA.
Weight is 4.3 oz for minimal added mass in a build.
Finish is matte presented in a Flat Dark Earth color.
Caliber/gauge is listed as .223 REM / 5.56 NATO.
Action is listed as Semi-Auto in the provided product attributes.
Model designation is AR-1.
Manufactured in the USA.
Includes a lifetime warranty.
Categorized under Lower Receivers.
Engineered as a practical, lightweight platform for a range of AR-15 projects, the AR-1 Extreme combines polymer durability with a subdued Flat Dark Earth finish. Its low mass and lifetime warranty make it a pragmatic choice for builders seeking a reliable stripped lower that prioritizes weight savings and corrosion resistance.
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