Bad bills make for bad laws.
"HB 1224 places impossible enforcement decisions on
Colorado law enforcement. To effectively enforce HB 1224, Colorado law
enforcement would need to be able to determine: 1) whether a magazine is
“designed to be readily converted;” 2) whether a magazine was in existence prior
to the ban; and 3) whether a magazine had been in continuous possession since
the enactment of the ban."
Simply put, prosecutors would have no way of knowing weather the 30 round magazine you have is grandfathered or not, unless you tell them. A defendant pleading the 5th typically does not meet the states burden of proof.
Magpul is an industry leader in AR-15 parts, accessories, and magazines. Since any magazine manufactured in Colorado would have to be date stamped, they have decided to move out of the state, taking the company, their taxes, and jobs, elsewhere.
Better argued by Magpul's lawyers then myself: