Cadex Defence CDX-33 Guardian in .338 Lapua Magnum with 26-inch barrel, the heavy-caliber variant of the CDX precision chassis rifle. Type: Rifle Action: Bolt-Action Caliber: 338 Lapua Mag Capacity: 10 Year introduced: 2015, Canada Weight: 192 oz Overall length: 52" Status: Active Military use: Yes Intended use: Military sniper, anti-materiel, special operations