Product DescriptionThe Rise Armament stripped AR-15 lower receiver is a strong, lightweight foundation for a custom rifle build. Machined from 7075-T6 aluminum forging and finished in durable MIL-A-8625F Type III, Class 2 hard anodized flat black, this stripped lower is built for long-term wear resistance and dependable performance. It is marked Multi, making it suitable for use with a wide range of AR-15 platform calibers depending on the upper assembly you choose.This receiver features the distinctive Rise Armament scorpion logo on the magwell for a clean, recognizable look. Additional builder-friendly details include an open trigger well and compatibility with both 3/4 inch and 1 inch grip screws. Backed by a lifetime warranty, this stripped lower receiver is a solid choice for AR-15 enthusiasts seeking quality construction and flexibility. Per the source data, this item ships only to an FFL.Product Highlights Constructed from durable 7075-T6 aluminum forging for strength and reduced weight Finished in MIL-A-8625F Type III, Class 2 hard anodized flat black for corrosion and wear resistance Marked Multi for broad AR-15 platform caliber compatibility Features an open trigger well and accepts both 3/4 inch and 1 inch grip screws Includes the distinctive Rise Armament scorpion logo and is backed by a lifetime warranty Specs Brand: Rise Armament Product Type: Stripped Lower Receiver Model: Stripped Lower Receiver Manufacturer Part Number: RA-SL-223 UPC: 850043415312 Platform Fit: AR-15 Caliber Marking: Multi Material: 7075-T6 Aluminum Forging Finish: MIL-A-8625F Type III, Class 2 Hard Anodized Flat Black Color: Black Trigger Well: Open Grip Screw Compatibility: 3/4 in. and 1 in. Weight: Approx. 10 oz Country of Manufacture: USA Warranty: Lifetime FFL Requirement: Yes, ships only to an FFL 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.