VKTR V31100916621 5.56 NATO 13.7 30 Adjustable stock Rifle

The VKTR V31100916621 FRGD 556 13.7 HXWRX 30R MGPFDE is a modern 5.56 NATO rifle platform engineered for operators requiring versatility across suppressed and unsuppressed configurations. Built on VKTR Industries' proprietary short-stroke piston system, this rifle delivers consistent performance with factory ammunition across varying operational demands—from precision marksmanship to dynamic tactical deployments.

At 13.3 lbs and measuring 39.8 inches in overall length, the rifle balances firepower with maneuverability in confined spaces typical of close-quarters operations. The advanced piston assembly features a unique cup-and-spigot design that optimizes gas seal integrity and system efficiency. The staged gas bleed system is the engineering centerpiece—it automatically adapts to suppressor back-pressure and ammunition velocity variance, eliminating the reliability trade-offs traditionally associated with running suppressors on direct-impingement designs. Field-proven configurations verify that this platform cycles reliably with both standard-velocity and subsonic 5.56 loads without manual adjustments.

This rifle is built for law enforcement tactical teams, military units, and civilian operators conducting precision or defensive work where suppressor compatibility and ammunition flexibility are non-negotiable. The 13.7-inch barrel geometry supports the 5.56 NATO cartridge within effective ranges for direct-action scenarios while maintaining a footprint suitable for vehicle transport and room-clearing procedures. The modular design accommodates the 30-round magazine standard, ensuring commonality with established supply chains and operator familiarity.

VKTR's piston-driven architecture represents a mature alternative to gas tube rifles in professional contexts where durability under sustained fire and suppressor integration matter. The fully-supported one-piece op rod and removable gas block design simplify maintenance and component replacement in the field—critical for units operating in austere environments or with extended deployment schedules.