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Would this barrel by HDPS fit on a stock HK USC, non converted? I found this quote on their website, "All barrels are compatible with USC bolt/carrier and UMP bolt/carrier and are drop in replacements for your HK USC or UMP conversions (NFA rules apply)" If it does fit and I do not change the lower for 25 rnd capacity and keep the usc stock, will I be in violation of the 922r?
I just want a SBR USC, not interested in making the full USC/UMP conversion due to the lack of 25 rnd mags.
Thanks
I just want a SBR USC, not interested in making the full USC/UMP conversion due to the lack of 25 rnd mags.
Thanks