I have seen on the website what I think are three upgrades to make to the 450, but I don't see the powder drop upgrade? Is there a reason to upgrade the powder drop? I see the frame upgrade, auto eject and auto priming system upgrades. These 3 add up to about $235. Can anyone tell me what the benefit of the frame upgrade is? I think the auto eject and auto priming system are self explanatory but maybe some input on the value of these would be appreciated as well?
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