Product DescriptionThe FMK AR-15 Extreme Stripped Lower Receiver is a lightweight, durable foundation for a custom rifle build. Manufactured in the USA from high-impact proprietary composite polymer, this multi-caliber lower receiver is designed to provide strength, corrosion resistance, and reduced weight compared to traditional metal receivers. Finished in Flat Dark Earth, it offers a distinctive look for AR-platform builds while maintaining compatibility with standard AR-15 lower parts, grips, and stocks. Its stripped configuration gives builders the flexibility to configure the rifle to their exact preferences and intended use.Product Highlights High-impact proprietary composite polymer construction helps reduce weight while maintaining strength and durability. Stripped AR-15 lower receiver design allows for a fully customized rifle build. Multi-caliber compatibility supports versatile AR-platform configurations. Flat Dark Earth finish adds a distinctive tactical appearance to custom builds. Made in the USA and backed by an unconditional lifetime warranty. Specs Brand: FMK Model: AR-1 Extreme Product Type: Stripped Lower Receiver Platform: AR-15 Caliber Compatibility: Multi-Caliber Material: High-impact proprietary composite polymer Color: Flat Dark Earth Finish: Matte Parts Compatibility: Standard AR-15 lower parts kits, grips, and stocks Upper Compatibility: Mil-Spec up to .50 Beowulf Weight: 4.3 oz Country of Manufacture: USA Warranty: Unconditional lifetime warranty UPC: 850979004260 MPN: FMKGAR1EDE Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.