G&G 14mm Thread Adaptor for you to add your tracer units or mock suppressors.

The Specs:

• Designed to cover and protect extended inner barrels
• Made with durable and lightweight aluminum 
• Easy and quick attach/detach
• Compatible with the GTP 9, GPM92 and GPM9 MK3 GBB Pistol Series Only
• Will work with standard internally threaded 14mm CCW accessories