I was going to ask... how is the stock EB4 S3? If I was to stick a Novarossi .21 in it can it run at A main level? Tossing up between a Hyper 8 and a EB4 S3, the EB4 is $50 cheaper and seems to have more ajustments but the Hyper 8 looks more 'ready to race' out of the box.