UTG AR-15 20" Free-Float Mid-Length Quad Rail System
- Precision machined with maximum strength
- 4 mil-spec Picatinny rails for versatile accessory applications
- Simple installation, no gunsmithing or tools required
- Integral assembly alignment front tabs and spinal cords to guarantee perfect, solid fit
- 12' long top & bottom covers
- Fits rifle length Model 4, 15/16, & variants
- Hard anodized finish for wear resistance
- 20 pieces of rubber rail guards included
