Northmark Vault Stainless Steel Stop Guide Roll Pin for Retro Arms NGRS Gearbox (2 Pack)

The Northmark Vault Stainless Steel Stop Guide Roll Pin is a direct replacement for the stop guide retaining pin used in Retro Arms NGRS gearbox shells. Designed specifically for Tokyo Marui NGRS-compatible Retro Arms shells, this roll pin secures the stop guide assembly in place and restores proper function when the original pin has been lost, damaged, or removed during disassembly.

Manufactured from corrosion-resistant stainless steel, this pin provides improved durability and long-term retention compared to softer factory hardware. Precision sizing ensures proper fitment within Retro Arms NGRS gearbox shells without unnecessary play or deformation during installation.

Sold as a 2 pack to provide a spare or support multiple builds.

Specifications

Stainless steel construction
Designed for Retro Arms NGRS gearbox shells
Secures stop guide assembly
Direct replacement for lost or damaged factory pin
2 pins per pack

Builder Notes

• Intended for Retro Arms Tokyo Marui NGRS-spec gearbox shells