BLACK Polymer Flip Up Folding Auto Deploy Front & Rear BUIS Back Up Sight Set

Push Button Automatic Deploy Flip-Up Front and Rear Sight Towers Complete with A2 Square Post Assembly with Locking Retention and Precision Elevation Adjustments for Greater Accuracy. Mounting Decks Designed to be Used with Handguard & Flattop Rails and Both Will Fit All 1913 7/8" Picatinny/Weaver Style Rails. Automatic Flip Up Deploy Button Release At The Push Of A Finger And Locks In Place When Deployed Or Folded.Easy Quick And Secure Installation -Allen Screw Locking Clamp Rail Base Retention For Maintaning Zero Under Heavy Conditions.Solid Reinforced Polymer Construction. Lightweight & Built To Withstand All Conditions, Designed for Shooters