Lambda Smart Precision barrel 6.03 GBB 133mm MK23

The internal diameter is 6.03mm without a window with the specific GBB Marui notch.

Its length is: 133mm

The range of Lambda barrel is high-end products with very demanding manufacturing criteria.

Treatment Carbon Steel

Inner Dia. 6.03mm, tolerance is 10-micron class accuracy.

All their inner barrel are made on CNC machines.