What's in the Box ARCA M-LOK Rail Section Mounting Hardware Proudly designed and made in the USA, this precision-machined ARCA rail section is contoured to prevent snagging and discomfort when shooting unsupported. CNC machined from durable 7075-T6 aluminum and finished in a matte black anodize, it provides a lightweight yet robust mounting solution for modern rifle setups. Laser-engraved positional indicators ensure repeatable placement, while its modular design allows multiple rails to form a continuous mounting surface. Firearm Features CNC machined 7075-T6 aluminum construction Matte black anodized finish M-LOK interface for flexible mounting Laser engraved positional indicator markings Contoured design to prevent snagging Forms continuous rail when multiple units are installed Compatible with ARCA, R-LOCK, and MRAS QD mounts Lightweight design at only 3 oz Firearm Specifications Manufacturer: Made in USA Model: ARCA M-LOK Rail Section Material: 7075-T6 Aluminum Finish: Matte Black Anodized Mount Type: M-LOK Modular System: ARCA Rail Space Required: 6 Slots Weight: 3 oz (85 gr) Installed Length: 9.5" Overall Length: 9.44" Width: 1.50" Height: 0.32"