SightsA.R.M.S.Sold by Brownells

A.R.M.S.

Ar-15 Flip-Up Low Profile Front Sight - 1.405'''' Flip-Up Low Profile Front Sight Aluminum Black

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

Spring-loaded Flip-up

Or without optics

Rugged Aluminum

Steel construction

Easily Mounts

To a Picatinny receiver rail

Non-snagging Lever

Releases the sight into the

Front Post

Matches the standard M16A2 sight

$155.00
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SKU: 100011048

Overview

This spring-loaded front sight is designed for shooters who want a low-profile backup or primary sighting option that works with or without optics. It mounts to a Picatinny receiver rail and folds down to stay unobtrusive until needed, then deploys quickly with a non-snagging lever. Built from aluminum and steel, it is made to regulate with all A.R.M.S. rear sights and uses a front post the same width as the standard M16A2 sight post. For proper regulation with A2-type rear sights, it must be mounted on a handguard rail or railed gas block that matches the receiver rail height.

Why Hunters Choose the A.R.M.S.

Spring-loaded Flip-up

Or without optics

Low-profile Folded

Height helps keep the sight

Easily Mounts

To a Picatinny receiver rail

Non-snagging Lever

Releases the sight into the

Compatible All

All A.R.M.S. rear sights

Key Features

  • Spring-loaded flip-up front sight for use with or without optics.
  • Rugged aluminum and steel construction.
  • Easily mounts to a Picatinny receiver rail.
  • Non-snagging lever releases the sight into the ready position.
  • Front post matches the standard M16A2 sight post width.
  • Compatible with A.R.M.S. rear sights.
  • Folded height is 5/8 inch; deployed height is 1 3/4 inches.

Best Used For

  • Hunters running optics who want a low-profile backup front sight on a Picatinny rail
  • Shooters using A.R.M.S. rear sights and needing compatible front-sight regulation
  • Users wanting a spring-loaded flip-up sight that stays folded until needed
  • Rifles with handguard rails or railed gas blocks matching receiver-rail height for proper setup

Pros

  • Spring-loaded flip-up design works with or without optics
  • Low-profile folded height helps keep the sight unobtrusive
  • Easily mounts to a Picatinny receiver rail
  • Non-snagging lever releases the sight into the ready position
  • Compatible with all A.R.M.S. rear sights
  • Front post matches the standard M16A2 sight post width

Considerations & Trade-offs

  • Designed for use with or without optics, so it adds flexibility but still requires a setup that matches your sighting system.
  • For proper regulation with A2-type rear sights, it must be mounted on a handguard rail or railed gas block that is the same height as the receiver rail.
  • The folded profile is low, but the sight still adds a fixed front-sight component to the rifle.
  • It is a front sight only, so it needs to be paired with a compatible rear sight for a complete iron-sight setup.

Suggested Comparisons

  • Flip-up iron sights
  • Rear sights for AR-platform rifles
  • Picatinny rail accessories
  • Railed gas blocks

Suggested Accessories

  • Picatinny rail cover
  • Rear sight
  • Optics mount
  • Railed gas block

Frequently Asked Questions

Is this front sight compatible with optics setups, or is it only for iron-sight use?

The short description says it is a spring-loaded, flip-up sight for use with or without optics.

What rear sights does this front sight work with?

The long description says it regulates with all A.R.M.S. rear sights.

How does it mount to the rifle?

It easily mounts to a Picatinny receiver rail.

What is the sight height when folded and when deployed?

The listed specs say it is 5/8" (1.5 cm) high from the rail when folded and 1 3/4" (4.4 cm) high when deployed.

Are there any mounting requirements for proper regulation with an A2-type rear sight?

Yes. The long description says that for proper regulation with an A2-type rear sight, it must be mounted on a handguard rail or railed gas block that is the same height as the receiver rail.