Area 419 Arcalock 6" Mlok Dovetail Rail Black

The Area 419 Arcalock 6" M-LOK Dovetail Rail gives you a precision mounting solution that locks accessories down with mechanical certainty. Built around a proprietary serrated interface that works with Area 419's matching clamp design, this rail eliminates the play and creep that can plague traditional Arca setups. The serrations grip without biting—they won't damage your bags, bipod, or hands during setup and adjustment in the field.

At 6 inches long and just 2.2 ounces, the Arcalock rail weighs almost nothing while giving you real estate for mounting a spotting scope, rangefinder, or other accessory on a modern chassis or adjustable stock. It's machined from 6061-T6 aluminum in-house here in the USA, with every corner radiused and edge chamfered to eliminate snags and sharp points. That attention to detail extends to a Type 3 hard-coat anodize finish that shrugs off the abuse of serious shooting and hunting seasons. The rail follows the RRS 1.5" dovetail standard, so any standard lever clamp will mount to it—though the true locking advantage comes when you pair it with Area 419's own clamp system.

The Arcalock is backward compatible with standard Arca accessories if you ever need flexibility, but you won't get that mechanical lock without the proprietary clamp. All M-LOK mounting hardware is included, so you can bolt it to your chassis or stock right out of the box. This is the kind of American-made precision that pays dividends when you're dialing in a long-range rig or building a dedicated hunting setup where zero movement is non-negotiable.

Key Features

• Serrated rail interface pairs with Area 419 clamp for positive mechanical lock with zero play
• 6" length provides ample mounting surface for optics and range-finding accessories
• Weighs just 2.2 ounces—minimal impact on overall system weight
• RRS 1.5" dovetail standard ensures compatibility with standard lever clamps
• Fully radiused and chamfered edges prevent snagging and hand cuts
• Type 3 hard-coat anodize delivers rugged durability in harsh field conditions
• 6061-T6 aluminum construction—lightweight and rigid
• Manufactured in-house in the USA from USA-sourced materials
• Includes all M-LOK mounting hardware for direct installation
• Backward compatible with standard Arca accessories (locking requires proprietary clamp)

Specifications

Frequently Asked Questions

Will the Area 419 Arcalock rail work with standard Arca clamps and accessories?

The rail is backward compatible with standard Arca accessories and will accept standard lever clamps. However, the proprietary serrated locking mechanism only engages when paired with Area 419's matching clamp system. With a standard clamp, you won't achieve the same mechanical lock.

What M-LOK mounting hardware is included?

All M-LOK mounting hardware needed to install the rail directly to your chassis or stock is included in the box. You're ready to mount out of the box.

Will this rail work with my standard RRS dovetail clamps?

Yes. The Arcalock is manufactured to the RRS 1.5" dovetail standard, so it's fully compatible with standard RRS lever clamps and any clamps built to that same specification.

Is the Area 419 Arcalock rail durable enough for hard use and hunting?

The rail is Type 3 hard-coat anodized for enhanced durability and is manufactured from 6061-T6 aluminum with fully radiused and chamfered edges. It's designed and built in-house in the USA to withstand serious field use without compromising zero or adding unnecessary weight.