Strike Polymer Backup Sights Each swivel is made with

Each swivel is made with carefully selected materials and finishes in order to ensure the best quality and longevity

If you need these as a primary or want them as a backup sight

Yet Still Retaining Maximum Strength

The SPBUS does not have an internal spring so you don’t accidently deploy the sights when you don’t need them

& RMR STANDARDS-SHIELD STANDARD: SHIELD FOOTPRINT USING ONLY HOUSING REAR POSTSNOT COMPATIBLE:-SIG SAUER ROMEO1

Strike Polymer Backup Sights Each swivel is made withProduct Features: Built in backup sights when flipped down for quick target acquisition Low profile and low snag design Tool less adjustments of windage and elevation Quick sliding dual aperture rear sight (large: 4. 70mm(0. 19") small: 1. 75mm(0. 07")) Steel mounting tab and insert for added strength Manual deployment so you dont accidently deploy when you dont need Front sight can be painted to users color preference Budget friendly cost effective