Atlas Custom Works Aluminum Airsoft Guide Rod Set For Airsoft AAP-01 GBBP Series Upgrade your AAP-01 GBB Airsoft Pistol with Atlas Custom Works Aluminum Airsoft Guide Rod Set. Precision CNC-machined from aluminum, it ensures durability and style. Available in six colors, including Black, Red, Blue, Purple, Gold, and Green. Enhance your Airsoft pistol's performance and appearance with this top-tier accessory.