Troy Folding Battle Sight – Front – M4 Type – Black
Troy Rail Mounted Folding Battle Sight – A4 Front
Use with all M4, M16A4, SR25 and AR10 Flat Top configured weapons.
FBSA4F Front Picatinny rail mounted folding sight for M4/M16A4/SR25/AR10
This is the new model with the M4 Style Housing and Square Post.