As opposed to?
Toy wouldn’t want a production rifle w some stupid tight 1-7 or 1-8 for the rare guy trying to push a 450 grain w a 375
You choose what twist is going to suffice for 90% of your customers
Over spinning projos can cause several problems. Not a free lunch
AND, those bullets will be too long for the magazine, which is kinda the point of that rifle/chassis system. For example CE 425 LAZER has a 1.8” protrusion and the 375CT case length is 3.0”. So COAL ~ 4.8”. Cadex mag max is 4.625