Global Defense Group, has introduced two models of the premier.408 ultra-long range sniper system, the , and M408 ( ASA). Military applications of this bolt-action rifle are anti-personnel, anti-sniper and anti-material utilization. The M408 features accuracy improvement offering an overall more stable shooting platform and accurate assembly. Overall, the new weapon offers superior performance and overmatch over .308 or .338 or .338 Lapua Magnum weapons, while offering warfighters a significantly lightweight and more compact alternative to traditional .50 CAL BMG anti-material rifles. An attractive advantage of the .408 caliber is its suitability for long and short range applications, common in urban warfare, where its high penetration does not conflict with the level of over penetration experienced with rifles firing .50 BMG ammunition.
The accuracy of the XM408 is greatly enhanced with its high quality KRIEGER barrel as well as recoil reduction, employing the ASA model substantially reducing recoil, allowing for quicker follow up shots among other system enhancements.
The rifle is designed to fire .408 Chey-tac bullets weighing 419gr. This ammo is fired through the 30” (76.2 cm) K&P fluted match grade barrel with 1:13 twist rate, developing muzzle velocity of 2900 fps. Effective range is about 1,500 yards.
With stock extended the XM408 length is 54.5” (138 cm), gross weight is 26 lbs (11.79 kg). The rifle loads a magazine of seven cartridges. The XM408 features a CNC & EDM machined 42 Rockwell hardened receiver and bolt, fully adjustable hardened aluminum stock with sliding mechanism and adjustable mono-pod.