AR15/M16 Front And Rear Flip-up Sight Combination Sale

1.Details for AR15/M16 Front flip-up Sight: Folds down and stays flat when not in use Locking push button on side to prevent sight from flipping down Locked in place firmly with knurled nut. Installs in seconds A2-style front post is adjustable for elevation with ? turns for 1.25" MOA at 100 yards Protective "ears" guard the post Fits onto picatinny and weaver style rails. Gas Block Front Sight clamps to a gas block with a Picatinny rail on top Made of heavy duty high quality aluminum alloy color:Black 2.Details for AR15/M16 Rear flip-up Sight: 2 Aperture sizes in one with easy adjustment Knurled aperture wheel turns easily in both directions Folds down and stays flat when not in use.(pic 6) Locking push button on side to prevent sight from flipping down Fits onto picatinny and weaver style rails. Made of heavy duty high quality aluminum alloy color:Black Need a screwdriver to tied it up