feyachi flip up iron sight front rear sight compatible for picatinny rail and weaver rail of rifle, foldable sights feyachi gold feyachi gold flip up front & rear iron sights (with allen wrench) features: 【simple flip up】 a simple press, flip up quickly. 【front sight - elevation adjustment】 - special design, no worry for elevation. 【rear sight - two mode & precise aiming】 - switch between cqb and precision, aim at your target precisely. - rotate the knob, get a proper postion for aiming. 【allen wrench included】 - adjust the sights, fit the mount tightly. ◆specifications: - dimensions: front: 35mm x 30mm x 45mm (lwh), weight: 1.5 oz rear: 35mm x 27mm x 40mm (lwh), weight: 1.8 oz - material: aluminum alloy - compatible for: picatinny / weaver rail mount ◆package contents: 1 × front iron sight 1 × rear iron sight 1 × allen wrench