Details: The strongest, most durable HK417 Gearbox ever produced is now available from Retro ARMS.
This Gearbox uses the Retro Quick-change spring system which can drastically reduce maintenance time.
Included are all Hex Gearbox screws and a Retro QSC spring guide.
The Gearbox is anodized now black, not silver as the product photo shows.
This Gearbox uses the Retro Quick-change spring system which can drastically reduce maintenance time.
Included are all Hex Gearbox screws and a Retro QSC spring guide.
The Gearbox is anodized now black, not silver as the product photo shows.
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