The Area 419 Firearms LLC ARCALOCK 4.25" Universal Dovetail Rail delivers the lightest, smallest ARCALOCK rail on the market, weighing just 1.5 oz for unmatched minimalism without sacrificing strength. Designed to fit forend hole spacings from 2" to 3.5", it mirrors the versatility of Area 419s highly regarded IBR system while providing a streamlined platform for accessories and optics. This universal dovetail rail is crafted from 6061 billet aluminum and finished in a durable black hardcoat anodized coating, ensuring rugged performance in demanding field and range environments. The rail comes with t-nuts and hardware to enable installation closer to the magwell for tripod use, enhancing stability during precision shooting or documentation-style setups. While MLOK hardware is not included, the rails compatibility with a broad range of accessory layouts makes it a flexible choice for builders seeking weight savings and compact fore-end configurations. Ideal for tactical, varmint, or sport rifles, this rail integrates seamlessly with existing AR builds, providing a reliable, low-profile mounting solution that reduces overall weight while maintaining solid rigidity and repeatable alignment for fast, accurate shoots.