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Area 419

Area 419: Improved Bipod Picatinny Rail - Keymod

Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.

Keymod Picatinny

Rail for bipod mounting

Rail Measures

4.8 inches long with 10

Accommodates 1.5

To 3.475 center-on-center screw hole

Includes One

Full-width lug for Larue-style bipod

Every Slot

Remains usable regardless of mounting

$40.00
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SKU: 419-IBR-KEYMOD

Overview

This Keymod Picatinny rail is built to give hunters a compact mounting point for a bipod while preserving usable slot space across the rail. It measures 4.8 inches long with 10 slots and is designed to accommodate center-to-center screw hole spacing from 1.5 to 3.475. The rail includes a full-width lug for Larue-style bipod mounts, rounded corners, chamfered edges, and the necessary Keymod hardware for installation. It is made from 7075-T651 aluminum and comes with low-profile socket head cap screws and tee-nuts for stocks that do not already have hardware, though tee-nut installation may require a 3/4 paddle bit and drill press.

Why Hunters Choose the Area 419

4.8-inch Rail

10 slots for flexible bipod

Accommodates 1.5

To 3.475 center-to-center screw hole

Every Slot

Remains usable regardless of mounting

Includes All

Keymod-related hardware for installation

Radiused Corners

Chamfered edges reduce sharp edges

Key Features

  • Keymod Picatinny rail for bipod mounting
  • Rail measures 4.8 inches long with 10 slots
  • Accommodates 1.5 to 3.475 center-on-center screw hole spacing
  • Includes one full-width lug for Larue-style bipod mounts
  • Every slot remains usable regardless of mounting screw placement
  • Comes with Keymod-related hardware, plus screws and tee-nuts for installation

Best Used For

  • Hunters mounting a bipod on KeyMod stocks with varying screw-hole spacing
  • Rifle owners wanting a compact rail with multiple usable slot positions
  • Users installing a Larue-style bipod mount on a KeyMod interface
  • Shooters needing included hardware for stocks without existing mounting hardware

Specifications

Compatibility NoteAccommodates Larue style bipod mounts
Country Of OriginUSA
Included Hardware(2) 10-32 x 1 low profile socket head cap screws and (2) tee-nuts
Installation NotesA 3/4 paddle bit and drill press may be required for installation of tee-nuts
LugOne full width lug
Material7075-T651 Aluminum
Mounting SystemKeymod
Rail Length4.8 in
Screw Hole Spacing1.5 - 3.475 center on center
Sharp EdgesNo sharp edges; every corner radiused and every edge chamfered
Slots10
Weight1.09 oz

Pros

  • 4.8-inch rail with 10 slots for flexible bipod mounting positions
  • Accommodates 1.5 to 3.475 center-to-center screw hole spacing
  • Every slot remains usable regardless of mounting screw placement
  • Includes all Keymod-related hardware for installation
  • Radiused corners and chamfered edges reduce sharp edges
  • Made from 7075-T651 aluminum and includes low-profile screws and tee-nuts

Considerations & Trade-offs

  • Installation may require additional tools, including a 3/4 paddle bit and drill press when using the included tee-nuts.
  • The rail is designed for a specific Keymod setup and includes Keymod-related hardware, so it is not a universal mount for every rifle configuration.
  • Area 419 notes that flush cup carry is not recommended when screw spacing is closer to 1.5 center-to-center, due to leverage on the stock insert.
  • The rail’s 4.8-inch length and 10-slot layout provide mounting flexibility, but the added length may be more than some minimalist setups need.

Suggested Comparisons

  • Bipod mounting rails
  • Keymod accessories
  • Rifle sling attachment hardware
  • Picatinny rail accessories

Suggested Accessories

  • Picatinny bipod mount
  • Keymod hardware
  • Installation tools
  • Flush cup sling mount

Frequently Asked Questions

What mounting pattern does this bipod rail use?

It is a Keymod Picatinny rail.

How long is the rail and how many slots does it have?

The rail is 4.8 inches long and has 10 slots.

What screw spacing will it accommodate?

It accommodates center-to-center screw hole spacing from 1.5 to 3.475.

What hardware is included with the standard rail?

The standard rail comes with (2) 10-32 x 1 low profile socket head cap screws and (2) tee-nuts for installation in stocks with no hardware, along with Keymod-related hardware.

Are there any installation notes or limitations to know about?

Area 419 notes that a 3/4 paddle bit and drill press may be required for installing the tee-nuts. It also advises against using the flush cup mount for carrying the rifle if you are closer to the 1.5 spacing, because it may create too much leverage and could tear the thread insert out of the stock.