Product DescriptionThe FAXON FIREARMS Ion Complete Upper is a ready-to-install upper assembly chambered in 338 ARC and built around a 12.50 inch black anodized barrel. Designed for shooters who want a compact, capable upper for a compatible rifle platform, this complete upper combines Faxon&';s Ion configuration with a free-float handguard and M-LOK rail interface for accessory flexibility. Additional functional details include a carbine-length gas system, 5/8x24 barrel threading, and included MIL-SPEC charging handle and bolt carrier group for a more complete setup.Product Highlights Chambered in 338 ARC for shooters building or upgrading a compatible rifle platform 12.50 inch black anodized barrel offers a compact profile with durable finish protection Free-float handguard with M-LOK rail interface supports lights, grips, and other accessories Carbine-length gas system and 5/8x24 thread pattern provide practical compatibility Includes MIL-SPEC charging handle and MIL-SPEC bolt carrier group for added convenience Specs Brand: FAXON FIREARMS Model: Ion Product Type: Complete Upper Caliber: 338 ARC Barrel Length: 12.50 in Barrel Finish: Black Anodized Color: Black Anodized Handguard Type: Free-Float Rail Interface: M-LOK Gas System Length: Carbine Length Thread Pattern: 5/8x24 Charging Handle Included: MIL-SPEC Bolt Carrier Group Included: MIL-SPEC UPC: 816341028937 MPN: FX338A5125-U 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.