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Dec 05, 2025 - 08:34 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: What kind of selector plate is included?
Answer: The hpa v2 gearbox uses a standard VFC V2 selector plate. This ensures compatibility with a wide range of aftermarket and stock selector components, making upgrades and replacements straightforward.
Question: Am I able to order this to be used with the polarstar UGS stock or would it require a large amount of modification?
Answer: Just don't include an IGL so you have your stock macro line and you can just run that straight to the buffer tube instead of down the grip.
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