The Springfield Armory Saint B5 MLOK delivers dependable AR-15 performance with premium furniture, proven reliability, and a lightweight design built for both defensive use and recreational shooting. Chambered in 5.56 NATO, this versatile rifle combines rugged construction with modern ergonomics, making it an excellent choice for shooters seeking a reliable, customizable platform.
With its 16-inch Melonite-coated chrome moly vanadium barrel, mid-length gas system, and durable 7075-T6 aluminum receivers, the Saint B5 is engineered to provide smooth operation, enhanced durability, and consistent accuracy. Whether used on the range, for training, or as a defensive rifle, the Saint B5 offers the performance and flexibility AR enthusiasts demand.
Benefits
Enhanced Shooting Comfort – Premium B5 Systems furniture provides improved ergonomics, control, and comfort during extended shooting sessions.
Reliable Mid-Length Gas System – Delivers smoother recoil impulse and dependable cycling while reducing wear compared to carbine-length systems.
Ready for Customization – M-LOK compatible handguard allows easy attachment of lights, grips, slings, and other accessories.
Features
16″ Chrome Moly Vanadium Barrel – Melonite-coated barrel provides excellent durability, corrosion resistance, and long service life.
B5 Systems Furniture Package – Includes the Bravo Stock, M-LOK Handguard, and Type 23 P-Grip for superior handling and comfort.
7075-T6 Aluminum Receivers – Lightweight yet durable construction built to withstand demanding use.
Additional highlights include a traditional front sight base for rugged reliability, a 1:8″ twist rate optimized for a wide range of bullet weights, and a lightweight 6.4-pound design that balances maneuverability with stability. The direct impingement operating system ensures proven performance, while the adjustable stock provides a customizable fit for different shooters.
Springfield Armory Saint B5 MLOK Specifications
Manufacturer: Springfield Armory
Model: Saint B5 MLOK
Caliber: 5.56 NATO
Action: Semi-Automatic
Barrel Length: 16″
Barrel Material: Chrome Moly Vanadium
Twist Rate: 1-in-8″
Operating System: Mid-Length Direct Impingement
Overall Length: 33″ – 36.25″
Weight: 6.4 lbs
Receiver Material: 7075-T6 Aluminum
Finish: Black
Stock: B5 Systems Bravo Stock
Handguard: B5 Systems M-LOK Handguard
Grip: B5 Systems Type 23 P-Grip
Sights: Traditional Front Sight Base





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