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Arisaka Defense

Low Profile Picatinny Rail - Keymod Low Profile 5 Slot 2.15 Black

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

Low-profile Keymod-compatible

Picatinny rail from Arisaka Defense

5 Picatinny

Attachment slots in a 2.15-inch

Measures 0.277

Inches above the mounting surface

Uses Bcm

Reverse-threaded KeyMod screws to spread

Constructed From

6061-T6 aluminum

$30.00
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SKU: 100028936

Overview

This low-profile rail is designed to add Picatinny attachment points to a KeyMod handguard while keeping the setup as compact as possible. The 5-slot, 2.15-inch design sits just 0.277 inches above the mounting surface, helping accessories stay close to the handguard instead of riding high. It uses BCM reverse-threaded KeyMod screws to distribute the load of larger Picatinny accessories across more KeyMod slots. Finished in black and built from 6061-T6 aluminum, it offers a streamlined mounting option for hunters and shooters who want a minimal rail section without unnecessary bulk.

Why Hunters Choose the Arisaka Defense

Low-profile Design

Keeps accessories close to the

Five Picatinny

Slots provide compact mounting space

Keymod Compatibility

Supports use with KeyMod handguards

Reverse-threaded Keymod

Screws help spread load across

6061 T-6

Aluminum construction keeps the rail

Key Features

  • Low-profile KeyMod-compatible Picatinny rail from Arisaka Defense.
  • Provides 5 Picatinny attachment slots in a 2.15-inch length.
  • Measures 0.277 inches above the mounting surface to reduce added height.
  • Uses BCM reverse-threaded KeyMod screws to spread load across more KeyMod slots.
  • Constructed from 6061-T6 aluminum.
  • Black finish; weight listed at 0.6 oz.

Best Used For

  • KeyMod users wanting a low-profile Picatinny mounting section for compact accessory placement
  • Hunters setting up handguards with limited space who want five Picatinny slots
  • Shooters using larger Picatinny accessories that benefit from load spread across multiple KeyMod slots
  • Users building a minimal rifle setup and trying to reduce added bulk on the handguard

Specifications

Attachment Slots5
ColorBlack
Construction Material6061 T-6 Aluminum
FitsKeyMod
Height Above Mounting Surface0.277 in
Length2.15 in
ProfileLow Profile
Rail TypePicatinny
Screw TypeBCM reverse threaded KeyMod screws
Weight0.6 oz

Pros

  • Low-profile design keeps accessories close to the handguard.
  • Five Picatinny slots provide compact mounting space.
  • KeyMod compatibility supports use with KeyMod handguards.
  • Reverse-threaded KeyMod screws help spread load across multiple slots.
  • 6061 T-6 aluminum construction keeps the rail lightweight.
  • Black finish offers a clean, low-visibility appearance.

Considerations & Trade-offs

  • Requires a KeyMod handguard; it is not a universal Picatinny solution.
  • The 5-slot, 2.15" format offers a compact mounting area, so it may not suit accessories that need more rail space.
  • Its low-profile design keeps accessories close to the handguard, which can limit clearance for setups that benefit from added height.
  • Uses BCM reverse-threaded KeyMod screws, so installation is specific to that hardware style.

Suggested Comparisons

  • KeyMod rail adapters
  • Picatinny accessory rails
  • Handguard mounting accessories
  • Low-profile rifle accessory mounts

Suggested Accessories

  • Picatinny rail-mounted light
  • KeyMod handstop
  • Picatinny sling mount
  • Rail cover

Frequently Asked Questions

What platform does this rail fit?

It fits KeyMod handguards and is designed as a KeyMod-compatible Picatinny rail section.

How many Picatinny slots does it provide?

This 5-slot model provides 5 Picatinny attachment slots.

How tall is the rail above the mounting surface?

The long description states it sits 0.277" above the mounting surface.

What is the rail made from?

The provided specifications list 6061-T6 aluminum construction.

What color is it?

Black.