The "System Weapon 003" is a fabulous Builders Parts set for 1/144 gunplas, compatible with both High Grade and Real Grade models. Features:
BOWA XBR-M-82-05H Beam Rifle, used by GP01 Gundam Zephyranthes (from Stardust Memory OVA series);
RGM*S-Sh-WF/S-00109 Shield, often equipped by Earth Federation mobile suits (e.g. by Gundam Ground Type mobile suits in The 08th MS Team OVAs);
many extra parts to modify both rifle and shield according to your tastes;
a beautiful themed rack;
6x 1/144 hands, suited to handle the add-ons.
The extra parts allow you to turn the rifle into a short barrel assault machine gun or into a long-range cannon. As for the shield, it can also be modified by changing its shape and adding a claw to it for short range combat. It's advisable to use nippers to detach the parts from the runners. Robots shown in the pictures are sold separately.