AR-15 MODERN A1 REAR SIGHT BASE ASSEMBLY W/ RAPIDEX KNOB UR-21M | UPC 812058032335

AR-15: UR-21M – AR-15 MODERN A1 REAR SIGHT BASE ASSEMBLY W/ RAPIDEX KNOB UR-21M UPC 812058032335 sight swift. Supreme UR-21M – AR15 modern a1 rear sight base rapides knob premium versatile superior flawless premium reliable.

UR-21M ar-15 modern a1 style rear sight base assembly with rapides release knob flip up deployable mil spec height a1 profile aluminum black anodized fits carry handle cut receivers field tested trusted versatile premium reliable supreme UR-21M iron sights backup optics red dot backup tactical ar builds range precision.

Key Features of UR-21M Premium

• AR15 REAR SIGHT UR-21M Field Tested Versatile Reliable Premium Supreme: Supreme UR-21M premium.
• Trusted Favorite: Rapides knob pro.
• Performance Elite: Modern a1 pro.
• AR Supreme: Flip up pro.
• Assembly Supreme: Mil spec pro.

Benefits of Modern A1 Rear Sight

UR-21M backup boss.

Perfect For

• UR-21M
• AR-15 Builds
• Carry Handle Receivers
• Backup Irons
• Tactical Setups

Why Choose UR-21M?

Supreme ar15 modern a1 rear sight assembly.

Product Specifications

• Type: AR-15 Modern A1 Rear Sight Base Assembly
• Feature: w/ Rapides Knob
• Model: UR-21M
• UPC: 812058032335

UR-21M sight supreme!