Magpul MBUS Gen 2 Flip-Up Sight Set for AR-15 Polymer Backup Sights

Low-profile, flattop-mounted polymer backup sights that deploy instantly with finger-touch for use if a primary optic fails.

• Spring-loaded ambidextrous release with grooved tabs
• Locks securely in place using the included steel crossbolt
• Uses less than 1" of MIL-STD 1913 Picatinny receiver rail space
• Provides the same height over bore as standard A2 iron sights

Rear sight:

• Windage-adjustable
• Two apertures: large .185" peep and small .070" peep

Front sight:

• Flip-up sight post (listed as .070" wide)

Fit/compatibility:

• Designed for AR-type rifles and carbines; fits any weapon with Picatinny rails
• Front sight must be mounted on a railed forend on the same plane as the receiver rail to align with rear sight
• Not compatible with railed gas blocks or the MOE handguard

Specs:

• Reinforced, injection-molded polymer
• Colors: Black, Flat Dark Earth, Stealth Gray, Olive Drab Green
• Rear sight dimensions: 1.5" long deployed, 2.6" long folded; 1.2" wide; .5" high folded; 1.6" high extended
• Front sight dimensions: 1.5" long deployed, 2.5" long folded; 1.2" wide; .5" high folded; 1.5" high extended
• Sight post .070" wide