FN FS2000 COMPLETE CALIFORNIA CONVERSION KIT. THE FN FS2000 KIT COMES COMPLETE WITH A BULLET BUTTON® & BARREL EXTENSION. THE BULLET BUTTON® IS MADE OF A BLACK POLYURETHANE. THE BARREL EXTENSION IS TO MAKE THE BARREL/GUN LENGTH TO CALIFORNIA REQUIREMENTS. IT IS MADE FROM 6061 ALUMINUM AND ANODIZED BLACK.

KEL TEC RFB COMPLETE CALIFORNIA CONVERSION KIT. THE BULLET BUTTON® MACHINED OF 6061 BILLET ALUMINUM AND ANODIZED BLACK. THE MUZZLE BREAK IS CARBON STEEL AND BLACK WITH A BLACK OXIDE FINISH.