ArmaLite M153GN13 5.56 NATO 13.5" 31-Round Optics Ready Rifle

The ArmaLite M153GN13 5.56 NATO 13.5" 31-Round Optics Ready Rifle delivers professional-grade performance in a compact, purpose-built platform engineered for tactical operators, law enforcement specialists, and serious sport shooters. This rifle bridges the gap between portability and effectiveness—the 13.5-inch barrel provides velocity retention and maneuverability in close-quarters and vehicle environments where full-length carbines prove unwieldy. With 31-round capacity and factory-integrated optics mounting, this rifle addresses modern tactical requirements without requiring secondary modifications or rail systems.

The M153GN13 chambers the 5.56 NATO cartridge—the NATO standard rifle round with proven ballistic performance, availability, and interoperability across military and civilian platforms. The 13.5-inch barrel maintains effective velocity out to 300 meters while reducing overall length to 42.4 inches and weight to 9.2 pounds, making this rifle suitable for duty carry, vehicle deployment, and dynamic entries where maneuverability is critical. The optics-ready configuration means the upper receiver is pre-drilled and tapped for Picatinny rail mounting, allowing rapid integration of reflex sights, magnified optics, or thermal systems without gunsmithing. ArmaLite's heritage in precision rifle manufacture ensures chamber tolerances and gas system reliability meet professional standards.

Law enforcement tactical teams, military personnel on transition, and home-defense-focused civilians benefit most from the M153GN13's balance of stopping power and maneuverability. The 31-round detachable magazine ensures sustained suppressive fire capability during extended engagements while maintaining a compact silhouette. Compatible with standard AR-pattern accessories, furniture, and maintenance tools, this rifle integrates seamlessly into existing 5.56 NATO ammunition supply chains and professional armorer networks. Proper zero verification and training with your selected optic platform is essential before deploying this rifle in any duty or defensive context.