A.R.M.S. Inc. Picatinn Polymer Top Mounted Deployable Front and Rear Sight Black
$169.99 at OpticsPlanet
In stock
AR-15 Flip-Up Adjustable 40L Low Profile Rear Sight Black
A.R.M.S.,Inc · Sights & Optics
No ratings yetBest price
$155.00at Brownells
Out of stock checked Nov 10, 2026
In stock now instead
- A.R.M.S. Inc. Picatinn Polymer Top Mounted Deployable Front and… $169.99at OpticsPlanet
- AR-15 Flip-Up Polymer Sight Set Black $177.99at Brownells
- AR-15 Combat Rifle Offset Sight Set Black $154.99at GunMag Warehouse
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| Brownells | $155.00checked Nov 10, 2026 | Out of stock | Buy at Brownells |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
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Price history
Dashed line = out of stock. Tracking since Sep 28, 2026.
Show the prices as a table
| 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
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