The scale barrel is drilled through.
This tube is optimized for the recoil system by the manufacture Heng Long.
With integrated 10000 mcd flash LED.
The barrel is made of high quality aluminum it is not necessary to rework simply remove the old gun and install the new tank gun.
Scope of delivery:
1 x 7,5 cm KwK 40L43
1 x flash LED
1 x installation instructions