First Factory Block Picatinny Cover

Customize your rifle with your favorite building blocks! A return to your childhood days of building whatever you like with the LayLax Block Arms interfaced parts! Bring the modularity of your gun to new levels. Simply slide the rail cover over the picatinny you wish to mount to and retain it with the included grub screws.

Features

• Highly compatible with commerical building blocks (LEGO, Megablocks, etc)
• Available in 4 colors!
• Simple installation

Specifications

Manufacture First Factory
Material Plastic
Colors Black, Red, White, Yellow