Most Popular Rear Sight for All Platforms Builds in 2026
The top 15 most-used rear sight in 2026, ranked by how often they appear in builds tracked on AR15.Build. Updated nightly.
- 1
Magpul MBUS 3 Flip-Up Rear Sight, Black (MAG1167-BLK)
3 builds$37.99 - 2
Magpul MBUS 3 Flip-Up Sight Set, Front and Rear, Black
2 builds$67.52 - 3
Magpul MBUS Gen 2 Rear Flip-Up Sight AR-15/M16 Black Polymer
1 build$36.99 - 4
Aim Sports MT201 AR-15 Rear Flip-Up Low-Profile Sight Aircraft-Grade Aluminum
1 build$16.59 - 5
KRISS USA DA-RSBL00 Sight Picatinny Black Folding Rear Steel
1 build$63.28 - 6
Daniel Defense Rock & Lock Fixed Front/Rear Sight Combo for AR-15
1 build$122.95 - 7
Magpul MBUS 3 Rear Flip-Up Sight MAG1167-ODG OD Green (AR-15/AR-10)
1 build$38.26 - 8
Magpul Industries MBUS Rear Flip-Up Back Up Sight Gen 2
1 build$81.65 - 9
Magpul MBUS 3 Rear Sight, Black
1 build$56.95 - 10
Aim Sports MT017 Detachable Carry Handle Aluminum 6.90in Hardcoat Anodized (AR-15)
1 build$18.30 - 11
Brownells BRN-16A1 A1 Rear Sight Aperture
1 build$6.99 - 12
Knight's Armament AR-15 Tactical Rear Sight, 600 Meter (98474)
1 build$224.99 - 13
Griffin Armament M2 Folding Rear Sight, 12 O'Clock Base, Black (GAM2R)
1 build$61.01 - 14
Troy BattleSight Folding Rear Sight, Black (SSIG-FBS-R0BT-00)
1 build$133.99 - 15
Magpul MBUS 3 Rear Sight, FDE (MAG1167-FDE)
1 build$37.99