I would think it would work fine, but as the last poster said it could be called a minimum and I'd much rather be shooting 9,10,11+ and enjoy a quieter bow, less vibration in the bow, and an extra margin of error if my shot doesnt strike the target surface/skin exactly how I intended. 9-10gpp is plenty flat shooting at what most folks would consider average hunting distances. Sure it may be "fun" to use less than 8gpp on 3D targets, and I have watched it before with its laser like trajectory out to 30 but I always winced at how loud the bows were and thinking they might blow up LOL.
Rick Welch swears by 400gr arrows out of 50ish pound bows and I understand his methodology, and his shooting prowess is incredible, but I frankly did not genuinely enjoy the one bow of his that I tried because it was so overbuilt and porky feeling. Just my 2c.