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Dec 05, 2025 - 08:37 AM
We’ve provided several answers to questions related to Amped PreBuilt HPA Gearbox | Drop-In HPA V2 Gearbox , see some other helpful Q&A related to this product.
Question: Is the gearbox pre-cut for HPA stock installation?
Answer: Yes, the rear of the hpa gearbox is pre-cut to facilitate HPA stock installation. This modification saves time and effort during assembly, as you don’t need to modify the gearbox yourself.
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