Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
Questions & Answers
What is the combined physical weight of these BUIS?

64 grams or 2.26 ounces

by Zellotte, Verified Owner, January 23, 2025
Why the two different height sights? Which is which? And for what? Rail length cause some rails like B&T are shorter than 15 inch standard? Full,1/3.

The different heights are for different levels of cowitness with your red dot.

by Gael, Verified Owner, April 27, 2025
Customer Reviews
Helpful Positive Review
BUIS are a must-have on any civilian defense rifle, but fitting BUIS under modern sighting systems such as an LPVO or ACOG can be challenging depending on your preferred sight height and scope. The Scalar Works BUIS are very low profile when folded, ...
Read More...
3/3 found this helpful
Helpful Positive Review
Solid buis by Fogbank, Verified Owner, January 12, 2025
Good buis. Solid lock up while still being easy to open/close. Only complaint is when changing apertures, you need to make sure it's in the detent, it's not a super positive lock while switching and can be a little off center if you're not paying att...
Read More...
2/2 found this helpful
Helpful Positive Review
Great quality sights by Steve, Verified Owner, December 15, 2024
I wanted some iron sights to work with my 1.93 mounted sight and these work perfectly. Build quality is what you’d expect from Scalarworks, flawless and lightweight.
1/1 found this helpful
Helpful Positive Review
Great back up for eotech and g33 magnifier on qd mounts. Lower third cowitness. Able to mount on last space of top rail it fits perfectly over the the space of the upper reciever thats over the charging handle with out interfering. Allows me to get t...
Read More...
2/2 found this helpful
Most Recent Reviews
Best sight! by Willy, Verified Owner, October 15, 2025
A must have especially if you have a raised 1.93 sight. If you have a Scalerworks mount you definitely need these sights.
Most Recent Reviews
scalarworks by Michael Oliver, Verified Owner, February 1, 2025
these are a fantastic, well built set of iron sights. if your looking at them, they are worth every penny!!!!
Read All 9 Reviews
4 Models Available
Sight Position
All
Size
All
Search

made-in-usa-flag Made in USA

Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for Scalarworks PEAK/02 Top Mounting Folding Irons Sight

The world's finest folding iron sights. The lightest, most compact, and easiest to use backup folding iron sights available. PEAK/02 redefines the standard for AR-15 compatible folding sights. Available in both 1.57'' and 1.93'' optic mount height compatible versions. Providing a lower-third co-witness with each.image

Specifications for Scalarworks PEAK/02 Top Mounting Folding Irons Sight:

Manufacturer: Scalarworks
Color: Black
Sight Mounting Orientation: Top Mounted
Gun Model: AR-15
Gun Make: AR Platform
Front Sight Color: Black
Rear Sight Color: Black
Deployable: No
Fabric/Material: 7075-T6 Aluminum
Gun Type: Rifle
Hand: Ambidextrous
Country of Origin: USA

Features of Scalarworks PEAK/02Top Mounting Folding Irons Sight

  • Folding Iron Sight Set - 1.57" Compatible

Package Contents:

  • Scalarworks PEAK/02 Top Mounting Folding Irons Sight
  • T-25 BIT

Scalarworks PEAK/02 Top Mounting Folding Irons Sight Orderable Models

List of Orderable Models

  • Scalarworks PEAK/02 Top Mounted Folding Front Iron Sight, 1.57in, Black, SW2010 , MPN: SW2010 , UPC: 856481007515 , Code: 39N-IRN-PEAK02-SW2010
  • Scalarworks PEAK/02 Top Mounted Folding Front And Rear Iron Sight, 1.93in, Black, SW2100 , MPN: SW2100 , UPC: 856481007782 , Code: 39N-IRN-PEAK02-SW2100
  • Scalarworks PEAK/02 Top Mounted Folding Rear Iron Sight, 1.57in, Black, SW2020 , MPN: SW2020 , UPC: 856481007539 , Code: 39N-IRN-PEAK02-SW2020
  • Scalarworks PEAK/02 Top Mounted Folding Front And Rear Iron Sight, 1.57in, Black, SW2000 , MPN: SW2000 , UPC: 856481007799 , Code: 39N-IRN-PEAK02-SW2000

Scalarworks PEAK/02 Top Mounting Folding Irons Sight Unavailable & Discontinued Models

List of Unorderable Models

  • Scalarworks PEAK/02 Top Mounted Folding Iron Front Sight, 1.57in, Flat Dark Earth, SW2010-FDE , MPN: SW2010-FDE , UPC: 850066665268 , Code: 39N-IRN-PEAK02-SW2010-FDE
  • Scalarworks PEAK/02 Top Mounted Folding Iron Rear Sight, 1.57in, Flat Dark Earth, SW2020-FDE , MPN: SW2020-FDE , UPC: 850066665275 , Code: 39N-IRN-PEAK02-SW2020-FDE
  • Scalarworks PEAK/02 Top Mounted Folding Iron Front And Rear Sight, 1.93in, Flat Dark Earth, SW2100-FDE , MPN: SW2100-FDE , UPC: 850066665282 , Code: 39N-IRN-PEAK02-SW2100-FDE
  • Scalarworks PEAK/02 Top Mounted Folding Iron Front And Rear Sight, 1.57in, Flat Dark Earth, SW2000-FDE , MPN: SW2000-FDE , UPC: 850066665251 , Code: 39N-IRN-PEAK02-SW2000-FDE
Compare (0)