+1-800-504-5897 Help Center Check Order Status
About Us Policies Reviews How To
Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

  • Entire Store
  • ...
  • Apparel & Footwear
  • Astronomy
  • Everything Else
  • Eyewear
  • Hunting Gear
  • Lab Equipment
  • Military Gear
  • Outdoor Gear
  • Photography Equipment
  • Police, EMS & Fire
  • Shooting
  • Sport Optics
  • Sports & Hobbies
TIP
Shopping Cart

Area 419 Arcalock Flat Rail Up to 23% Off w/ Free S&H — 3 models

Area 419 Arcalock 12 in Flat Mlok Rail, Black, 419-ALK-MLOK12
Area 419 Arcalock 12 in Flat Keymod Rail, Black, 419-ALK-KEYM12
Area 419 Arcalock 14 in Flat Mpa Ba Rail, Black, 419-ALK-MPA14
Area 419 Arcalock 12 in Flat Mlok Rail, Black, 419-ALK-MLOK12
Area 419 Arcalock 12 in Flat Mlok Rail, Black, 419-ALK-MLOK12
Area 419 Arcalock 12 in Flat Mlok Rail, Black, 419-ALK-MLOK12
Area 419 Arcalock 12 in Flat Keymod Rail, Black, 419-ALK-KEYM12
Area 419 Arcalock 12 in Flat Keymod Rail, Black, 419-ALK-KEYM12
Area 419 Arcalock 14 in Flat Mpa Ba Rail, Black, 419-ALK-MPA14
Area 419 Arcalock 14 in Flat Mpa Ba Rail, Black, 419-ALK-MPA14
Area 419 Arcalock 14 in Flat Mpa Ba Rail, Black, 419-ALK-MPA14
Area 419 Arcalock 14 in Flat Mpa Ba Rail, Black, 419-ALK-MPA14
Area 419 Arcalock 14 in Flat Mpa Ba Rail, Black, 419-ALK-MPA14
Area 419 Arcalock 12 in Flat Mlok Rail, Black, 419-ALK-MLOK12
1 of 13 images
Area 419 Arcalock 12 in Flat Mlok Rail, Black, 419-ALK-MLOK12
Area 419 Arcalock 12 in Flat Keymod Rail, Black, 419-ALK-KEYM12
2 of 13 images
Area 419 Arcalock 12 in Flat Keymod Rail, Black, 419-ALK-KEYM12
Area 419 Arcalock 14 in Flat Mpa Ba Rail, Black, 419-ALK-MPA14
3 of 13 images
Area 419 Arcalock 14 in Flat Mpa Ba Rail, Black, 419-ALK-MPA14
Area 419 Arcalock 12 in Flat Mlok Rail, Black, 419-ALK-MLOK12
4 of 13 images
Area 419 Arcalock 12 in Flat Mlok Rail, Black, 419-ALK-MLOK12
Area 419 Arcalock 12 in Flat Mlok Rail, Black, 419-ALK-MLOK12
5 of 13 images
Area 419 Arcalock 12 in Flat Mlok Rail, Black, 419-ALK-MLOK12
Area 419 Arcalock 12 in Flat Mlok Rail, Black, 419-ALK-MLOK12
6 of 13 images
Area 419 Arcalock 12 in Flat Mlok Rail, Black, 419-ALK-MLOK12
Area 419 Arcalock 12 in Flat Keymod Rail, Black, 419-ALK-KEYM12
7 of 13 images
Area 419 Arcalock 12 in Flat Keymod Rail, Black, 419-ALK-KEYM12
Area 419 Arcalock 12 in Flat Keymod Rail, Black, 419-ALK-KEYM12
8 of 13 images
Area 419 Arcalock 12 in Flat Keymod Rail, Black, 419-ALK-KEYM12
Area 419 Arcalock 14 in Flat Mpa Ba Rail, Black, 419-ALK-MPA14
9 of 13 images
Area 419 Arcalock 14 in Flat Mpa Ba Rail, Black, 419-ALK-MPA14
Area 419 Arcalock 14 in Flat Mpa Ba Rail, Black, 419-ALK-MPA14
10 of 13 images
Area 419 Arcalock 14 in Flat Mpa Ba Rail, Black, 419-ALK-MPA14
Area 419 Arcalock 14 in Flat Mpa Ba Rail, Black, 419-ALK-MPA14
11 of 13 images
Area 419 Arcalock 14 in Flat Mpa Ba Rail, Black, 419-ALK-MPA14
Area 419 Arcalock 14 in Flat Mpa Ba Rail, Black, 419-ALK-MPA14
12 of 13 images
Area 419 Arcalock 14 in Flat Mpa Ba Rail, Black, 419-ALK-MPA14
Area 419 Arcalock 14 in Flat Mpa Ba Rail, Black, 419-ALK-MPA14
13 of 13 images
Area 419 Arcalock 14 in Flat Mpa Ba Rail, Black, 419-ALK-MPA14

Tap Tap to Zoom

Questions & Answers
Do regular Arca clamps work on this rail, or do you have to own the "Arcalock" clamps from Area419? Expert Answer

The Area 419 Arcalock Flat Rail will only work with Area 419 Clamps.

by Hunter, Gear Expert, June 21, 2023
See 2 More Answers
Description says 17" rail but part number correlates to 12" rail. Expert Answer

The M-LOK Area 419 Arcalock Flat Rail comes in either a 12" (MPN:419-ALK-MLOK12) or 14" (MPN:419-ALK-MPA14) length. The Keymod rail comes in 12" (MPN:419-ALK-KEYM12).

by Ethan, Gear Expert, March 17, 2022
View All Q&A You Have a Question? Ask!
Customer Reviews
Most Recent Reviews
Consistent Quality by Jerry, Verified Owner, August 23, 2024
Very nice and useful piece to add onto my AR10 handguard, turning it into something much more usable in my application. I have multiple arca attachments such as the 419 Garmin chrono/bipods etc. Being able to easily slide on and adjust placement is ...
Read More...
Most Recent Reviews
Area 419 12” Arca Mlok Rail by DEMNTD1, Verified Owner, May 4, 2024
Perfect addition to my SPR build. Not only for bipod or tripod use but also provides more surface under the handguard when using a shooting bag.
Most Recent Reviews
area419 keymob rail by James Jackson, Verified Owner, February 16, 2024
Another great product from Area419. Great fit and great look.
Read All 3 Reviews
3 Models Available
Height
All
Length
All
Width
All
Weight
All
Gun Rail
All
Search

made-in-usa-flag Made in USA

Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for Area 419 Arcalock Flat Rail

Area 419 is always looking for ways to improve existing products when they are not developing new technologies. With the rapid growth in popularity of ARCA rails in precision rifle, they saw a need to improve this great dovetail technology to something that could be mechanically locked in place instead of just friction. If you have ever tried using a Barricade stop on an existing ARCA rail, youve probably also seen it slide under much pressure.image

Specifications for Area 419 Arcalock Flat Rail:

Manufacturer: Area 419
Color: Black
Fabric/Material: Aluminum
Hand: Ambidextrous
Gun Type: Rifle
Gun Make: Universal
Gun Model: Universal
Condition: New
Country of Origin: USA

Features of Area 419 Arcalock Flat Rail

  • Serrated rail sides interface with their proprietary clamp design to mechanically lock it in place so no movement is possible. Serrations are not sharp, will not damage bags or your hands.
  • Rail is backwards compatible with standard Arca accessories, but will not be locking without their clamp.
  • While designed with Manners Composite Stocks in mind, this rail accommodates a multitude of rifle and stock configurations that have an accessible front action screw and some sort of front attachment point(s).
  • Spacers for rifle stocks with non-flat forends are available HERE
  • Designed to attach to the rifle up to 4 places for maximum strength and stability.

Package Contents:

  • Area 419 Arcalock Flat Rail

Area 419 Arcalock Flat Rail Orderable Models

List of Orderable Models

  • Area 419 Arcalock 12 in Flat Mlok Rail, Black, 419-ALK-MLOK12 , MPN: 419-ALK-MLOK12 , UPC: 853675008709 , Code: 4MD-T8-ARC02-419-ALK-MLOK12
  • Area 419 Arcalock 12 in Flat Keymod Rail, Black, 419-ALK-KEYM12 , MPN: 419-ALK-KEYM12 , UPC: 853675008716 , Code: 4MD-T8-ARC02-419-ALK-KEYM12
  • Area 419 Arcalock 14 in Flat Mpa Ba Rail, Black, 419-ALK-MPA14 , MPN: 419-ALK-MPA14 , UPC: 853675008914 , Code: 4MD-T8-ARC02-419-ALK-MPA14

Area 419 Arcalock Flat Rail Unavailable & Discontinued Models

List of Unorderable Models

  • USED, Area 419 Arcalock 12 in Flat Keymod Rail, Black, 419-ALK-KEYM12 , MPN: 419-ALK-KEYM12-EDEMO , Code: 4MD-T8-ARC02-419-ALK-KEYM12-EDEMO-RE-B
  • USED Area 419 Arcalock 14 in Flat Mpa Ba Rail, Black, 419-ALK-MPA14, EDEMO1, Used, Condition Fair, Scratches , MPN: 419-ALK-MPA14-EDEMO1 , Code: 4MD-T8-ARC02-419-ALK-MPA14-EDEMO-SC-D
Compare (0)
1 item has been added
Add at least two items to compare
Last updated 2026-07-18 UTC.