ZWQ Aerial 5deg BCAR

The New ZWQ Aerial 5degree 15 bearing BCAR

Rifling device Designed for >200fps blasters

Lock-ring Collar mounting style - So you've got adaptability from 15.8 (5/8") barrels up to 16.2mm (anodized 16mm OD). 

Built in porting, 15 bearings. Testing has begun.