AR-15 Flip-Up Adjustable 40L Low Profile Rear Sight Black

Name: AR-15 Flip-Up Adjustable 40L Low Profile Rear Sight Black
Brand: A.R.M.S.,Inc
Availability: OutOfStock

A.R.M.S.,Inc · Sights & Optics

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Best price

$155.00at Brownells

Out of stock checked Oct 1, 2026

Buy at Brownells

Where to buy

Store	Price	Availability	Buy	Add to build
Brownells	$155.00checked Oct 1, 2026	Out of stock	Buy at Brownells

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Price history

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Dashed line = out of stock. Tracking since Sep 28, 2026.

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Store	Latest	Lowest	Highest
Brownells	$155.00	$155.00	$155.00

Since Sep 28, 2026.

About this part

The AR-15 Flip-Up Adjustable 40L Low Profile Rear Sight Black is an iron sight from A.R.M.S.,Inc. One store lists it, Brownells at $155.00.

Specifications

Manufacturer: A.R.M.S.,Inc
Color: Black
Type: Iron Sights
Magnification class: 1x (non-magnified)

From the manufacturer

Rugged aluminum and steel flip-up rear sight regulates properly with A2-height front sights and can be co-witnessed through an optic. Dual apertures are calibrated for close- and mid-range targets, simply aim through both or fold the first one down and use the second aperture. Easily mounts to a Picatinny receiver rail; locknut is retained by a safety wire, so you can't lose it. Non-snagging lever instantly releases the spring-loaded sight into the ready position. #40L Low Profile is calibrated for 250 and 300 meter combat ranges, with windage adjustable in A 3/4 MOA increments per click. NSN #1005-01-575-3508. Mfg: A.R.M.S. SPECS: Apertures - Steel, matte black. Hardware - Stainless steel, matte black. Base - aluminum, hardcoat anodized, matte black. 23/16" (5.6cm) long, 13/8" (3.5cm) wide. #40L - 5/8" (1.6cm) high from flattop (folded), 15/8" (4.1cm) tall (dep