Our take: The ASG Heat Resistant Reinced Tappet Plate Version 2 Gearboxes is a small but very important piece any AEG gearbox. ASG has taken the simple design of the tappet plate and used heat-resistant and reinced material to ensure the least amount of wear and tear to this piece after installed into a gearbox. Features: - Heat-resistant material - Reinced material - Compatible with Version 2 gearboxes Specifications: Construction: High Grade Heat Resistant Polymer Compatibility: Will fit most Version 2 Gearboxes Package includes: Version 2 Tappet Plate NOTE: Airsoft Megastore recommends that all internal upgrades and/or repairs be handled by a qualified airsoft technician. Airsoft Megastore is NOT responsible improperly installed replacement or upgrade airsoft parts. DO NOT disassemble your airsoft gun within Airsoft Megastore’s warranty period, as this will VOID your warranty.