Reinforced gearbox shell V2 with 8mm ball bearings [AimTop] Durable reinforced gearbox ver.2. Include 8mm ball bearings. Weight 373g. For springs up to M130
Reinforced gearbox shell V2 with 8mm ball bearings [AimTop] Durable reinforced gearbox ver.2. Include 8mm ball bearings. Weight 373g. For springs up to M130