As a final protest of Colorado’s new high-capacity magazine ban going into effect on Monday, Magpul Industries is giving away 1,500 30-round magazines on Saturday during an event the company calls “Farewell to Arms.”

They will be given away on a first-come first-served basis at Infinity Park in Glendale, near Denver.

The magazine ban is one of several new gun-control laws going into effect July 1, including universal background checks for all firearms transfers, requirements for gun buyers to pay for those checks, and other measures.

The magazine ban, however, is the most contentious. It has led gun parts manufacturers like Magpul to move out of Colorado — a process that the company says has been underway for several weeks. It has not yet announced where it will relocate, but has hinted on its Facebook page that it may operate from several locations.

Magpul employs about 200 people and says that it contributes as much as $85 million to Colorado’s economy.

Since Gov. John Hickenlooper signed the new law, Magpul has done its best to get its products into the hands of gun-owning Coloradans, allowing them to buy direct from the company and offering limited edition magazines that have sold out quickly in the past.

Coloradans can keep magazines that hold more than 15 rounds of ammunition after July 1 as long as they were obtained prior to the deadline.

Critics of the new law say it’s worded in such a way that it effectively bans all magazines for semiautomatic weapons because nearly all of them can be “readily converted” to hold more than 15 rounds using after-market extenders.

The Magpul PMAG magazines will be given away during a Freedom Festival, where they will be delivered by helicopter, according to a press release posted on the company’s Facebook page.

Magazines will be available for purchase after the first 1,500 are given away, with proceeds given to legal efforts to overturn the law that’s being spearheaded by a consortium of 55 elected Colorado sheriffs.

The event takes place from 4-8 p.m.

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