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Armaspec 6″ M-LOK to Arca Rail, Black – 6061-T6 Aluminum

UPC: 810048493760

$41.39

27 in stock

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Description

Running a bipod or tripod off an M-LOK handguard usually means jumping through hoops with adapters. The Armaspec 6" Arca Rail cuts out the middleman by giving you a true Arca-Swiss dovetail that clamps directly to your M-LOK slots. Slide your bipod on, lock the clamp, and you get a solid, repeatable connection that holds zero on your setup without any flex or play.

What Sets the Armaspec Arca Rail Apart

This one is machined from aircraft-grade 6061-T6 aluminum and finished in a Mil-Spec Type III hard coat anodize, so it shrugs off the scuffs and weather that come with real range time and field use. It follows the industry-standard 38mm wide Arca dovetail, meaning it plays nice with the huge range of Arca clamps, tripods, and bipods already on the market. At 6 inches it hits a nice middle ground, giving you plenty of length to slide a bipod fore and aft for balance without hanging weight out past where you need it. The 6-inch version tips the scale right around 1.3 ounces, so you're not adding meaningful bulk to the front end.

Getting the Arca Rail Mounted

The rail secures to your M-LOK slots using steel mounting hardware that threads down tight and stays put under recoil. If you've mounted anything to M-LOK before, you'll have this on in a few minutes with a hex key. Because it uses the standard M-LOK pattern, it drops onto just about any compatible handguard, whether you're building out an AR-15, an AR-10, or a precision bolt gun with an M-LOK forend.

The real appeal here is flexibility. With an Arca surface up front you can swap between a tripod for glassing and long-range positional shooting and a low-profile bipod for prone work, all without re-tooling your rifle. It's made in the USA and backed by Armaspec's lifetime warranty, which is a nice bit of peace of mind on a part that's going to see a lot of clamping and unclamping.

Key Specifications

  • Manufacturer: Armaspec
  • Model: Arca Rail
  • Manufacturer Part Number: ARM621-6
  • UPC: 810048493760
  • Length: 6 inches
  • Weight: 1.3 oz
  • Width: 1.47 in (38mm Arca dovetail standard)
  • Material: 6061-T6 Aluminum
  • Finish: Mil-Spec Type III Hard Coat Anodized
  • Color: Black
  • Mount Type: M-LOK
  • Interface: Arca-Swiss Compatible
  • Product Type: Rail
  • Country of Origin: Made in USA
  • Warranty: Lifetime

What’s Included

  • 1x Armaspec 6" M-LOK Arca Rail
  • 1x Mounting Hardware Kit

Frequently Asked Questions

What handguards will the Armaspec Arca Rail fit?

It's built to mount to any M-LOK compatible handguard using the standard M-LOK slot pattern. That covers most modern AR-15, AR-10, and bolt-action setups running an M-LOK forend. As long as your handguard has open M-LOK slots where you want the rail, you're good to go.

Do I need extra adapters to run a bipod on this Arca rail?

If your bipod already has an Arca-Swiss clamp, it slides right on and locks down with no extra parts. For a bipod with a traditional sling-stud or Picatinny mount, you'll want an Arca adapter clamp to make the connection. The rail itself uses the standard 38mm Arca dovetail, so it works with the wide range of Arca clamps on the market.

How much does the 6-inch Armaspec Arca Rail weigh?

The 6-inch version comes in right around 1.3 ounces since it's machined from lightweight 6061-T6 aluminum. It adds a stable mounting surface without weighing down the front of your rifle. If you want a shorter or longer footprint, Armaspec also offers this rail in 3, 9, and 12-inch lengths.

Is the Armaspec Arca Rail durable enough for hard use?

It's cut from aircraft-grade 6061-T6 aluminum and finished with a Mil-Spec Type III hard coat anodize, so it holds up well to range abuse and weather. The rail is made in the USA and backed by Armaspec's lifetime warranty. That combination makes it a solid pick for a part that gets clamped and unclamped often.

Additional information

UPC

810048493760

Manufacturer

Manufacturer Part Number

ARM621-6

Color

Black

Length

6.5000

Model

Product Type

Rail

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