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Area 419 Arcalock 12" Compatible with M-LOK Dovetail Rail

Based on 9 reviews
Condition: New
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$100.00

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Availability: Only 10 left in stock, order soon!
Fulfilled by Amazon

Arrives Sunday, Nov 8
Order within 23 hours and 39 minutes

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At a glance

Condition
New
Weight
12.8 oz
Color
Black. FDE
Material
Aluminum
Maximum Height
10 in
In the box
All rail comes with mounting hardware
Warranty
30 days

Features 6

  • Serrated rail sides interface with our proprietary clamp design to mechanically lock it in place so no movement is possible
  • Rail is backwards compatible with standard Arca accessories, but will not be locking without our clamp
  • Rail is 12 long giving you the entire length of the stock forend for attachments. The best part is, it still only weighs in at a paltry 4.1oz
  • Made to the RRS 1.5 Dovetail Standard, so you can be sure lever clamps will work

Description

With the rapid growth in popularity of ARCA rails in precision rifle, we saw a need to improve this great dovetail technology to something that could be mechanically locked in place instead of just friction. With a variety of rails, clamps, and accessories, we have grown a system that allows you to build the best combination to meet your needs. Serrated rail locks between pins on our proprietary ARCALOCK clamp, eliminating slide under recoil Radiused corners for no sharp edges or snag points 100% made in America, with American raw materials

Specs 10

Brand AREA 419
Color Black. FDE
Material Aluminum
Item Weight 12.8 ounces
Maximum Height 10 inches
Brand Name AREA 419
Manufacturer Area 419
Unit Count 1 Count

Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Nov 8

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Leasing options through Acima may also be available during checkout.

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Top Amazon Reviews


Yep buy it !!!!!
Style: ARCALOCK 12" Flat Compatible with "M-LOK...
Fit well nice and tight holds well good sturdy feel. I have it in my ar 308 pew pew and and it works well. Area 419 makes good products
Reviewed in the United States on August 24, 2026 by LM

Wrong color sent
Style: ARCALOCK 12" Flat Compatible with "M-LOK...
Ordered Black but received the tan. No issue, it doesn’t look too bad with the rest of my fde furniture. Still rating a 5/5 though. Great arca rail!
Reviewed in the United States on June 27, 2026 by Jesse Williamson

Perfect for MDT XRS chassis
Style: ARCALOCK 12" Flat Compatible with "M-LOK...
The 12" mlok version of this is perfect for an MDT XRS chassis. The fit is such that they may have designed this specifically with this chassis in mind. This is exactly what I was looking for. I didn't want to use MDT's enclosed forend. The enclosed part would have kept me from ever being able to use my sun shade, if necessary. It sticks up a little too high. ... show more
Reviewed in the United States on December 2, 2025 by usmcgyrene

It’s a nice rail.
Style: ARCALOCK 12" Flat Compatible with "M-LOK...
Area 419 makes good stuff!
Reviewed in the United States on January 23, 2026 by Brian S

The best Arca rail on amazon
Style: ARCALOCK 12" Flat Compatible with "M-LOK...
Fit and finish is perfect comes with mounting hardware! Great all around!!
Reviewed in the United States on February 16, 2025 by Dustin

Top notch Area 419 is quality.
Style: ARCALOCK 12" Flat Compatible with "M-LOK...
Fits MLOCK perfectly and does not interfere with gas block
Reviewed in the United States on December 27, 2024 by dan McCasey
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