Hardening Gear Set, Barrel length 455mm or less (18:1)
Item No.: 1032
US$25
Hardening Standard Gear Set (18:1)
Item No.: 1031
Tappet Delayer (for high frequency shooting)
Item No.: 1030
US$8
High Performance Ver.3 Gear Box (7mm), G36 Series
Item No.: 1007
US$45