Split Gearbox Set (HPA)

Alvinski Customs Verified independent store

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Ultra-lightweight, modular gearbox design that ensures perfect alignment with Alvinski Carbon Uppers. Unlike native alignment upper solutions (Wolverine MTW/El Diablo/ATI SUB9), th e engine stays with the lower receiver during disassembly, allowing for easy access to the hop-up for maintenance. Featuring Printed in PPA-CF Lightweight, durable carbon fiber nylon Universal Receiver Compatibility (2nd receiver pin not required) Adjustable Hop feedtube position Magazine release hole position Triggerboard Compatibility Verified: Polarstar, Wolverine Spartan, Gate Titan HPA Engine Compatibility (Separate modules required) Polarstar: Jack, F1, F2 Wolverine: Inferno Gen 2 Stainless Steel Hardware Threaded inserts paired with stainless steel hardware for longevity Show more