Tactical Fixed Front Rear Sight Streamline Design Iron Sight Set Fits 21 mm Rail SMB-03B/S

Features:
Fixing screw position includes anti-skid gasket
One Piece Streamline Design
Uses Standard **15 Apertures(A1 Sight Adjustment A2 Aperture)
Fit for 21 mm rail
Available in silver and black
Light weight
High quality：CNC machining / Class II anodic hardening
Package weight: 100g