UTG Pro M4/AR15 Car Length Drop-in Quad Rail with Extension

Features:

- Top Rail Extends to Upper Receiver to Form Continuous Mounting Platform
- Clever Top/Bottom Two-piece Design with Integral Spinal Cords/Alignment Housing for Perfect fit with Barrel Nut and Round Front Cap
- Made from Aircraft Aluminum with Precision CNC Machining and Excellent Anodizing/Engraving
- Great Zero-retention Capability for All Accessories Installed on the Rails
- Easy Installation with No Modification to the Barrel

Includes:

- Black Rubber Rail Guards

Specifications:

- Fits Car. Length Model 4/15 and Provides Four Picatinny Rails Each with 14 Slots
- Material: Aluminum
- Weight: 11.3 oz.
- Pieces: 2
- Rail Type: Picatinny/Weaver
- No. of Rails: 4
- Length: 7.28"
- Width: 2.44"
- Height: 2.44"