Features:
- Proudly Designed and Made in USA
- Clever Top/Bottom Two-piece Design with Integral Spinal Cords/Alignment Housing for Great Fit
- Designed with Innovative Alignment Tabs at the Front for Perfect Fit with the Standard Triangular Front Cap
- Fits Middle Length Model 4/15
- Includes Four Picatinny Rails Each with 18 Continuous Slots
- Great Zero-retention Capability for All Accessories Installed on the Rails
- Easy Installation with No Modification to the Barrel
- Black Rubber Rail Guards Included
Note: This quad rail system is designed to fit with standard AR-15 gas tube. The compatibility with any special piston system is not guaranteed. Specifications:
- Material: Aluminum
- Weight: 14.7 oz
- Pieces: 2
- Rail Type: Picatinny/Weaver
- No. of Rails: 4
- Length: 8.68 inch
- Width: 2.44 inch
- Height: 2.44 inch