Springfield Saint 5.56mm Semi-Automatic AR-15 Rifle With M-Lok Rail

Overview

The Springfield Saint 5.56mm semi-automatic AR-15 rifle with M-Lok rail represents a direct evolution of the modern sporting rifle platform. Built from the ground up by Springfield Armory, this carbine delivers the reliability and accuracy demanded by American shooters. Chambered in 5.56mm NATO, the Springfield Saint 5.56mm semi-automatic AR-15 rifle with M-Lok rail is engineered with a forged 7075 T6 aluminum upper and lower receiver set, ensuring a tight lock-up and consistent performance. The free-float M-Lok handguard provides ample real estate for mounting optics, lights, and grips without compromising barrel harmonics. This rifle ships with a single 30-round Magpul PMAG and a padded soft case, making it a complete ready-to-run package for defensive, competition, or recreational use.

Features & Specs

The Springfield Saint 5.56mm semi-automatic AR-15 rifle with M-Lok rail is spec’d for serious use. Every component is selected for durability and function, from the chrome-lined phosphate barrel to the Nickel Boron coated bolt carrier group. Key specifications include a 16-inch 4150 chrome moly vanadium steel barrel with a 1:8 twist rate, optimized for stabilizing a wide range of bullet weights from 55-grain to 77-grain. The M-Lok free-float handguard is a full-length design with a continuous Picatinny top rail for seamless optic mounting. Below are the primary features:

• Forged 7075 T6 aluminum upper and lower receivers with Type III hard coat anodizing
• 16-inch chrome-lined barrel with M4 feed ramps and a 1:8 twist rate
• Nickel Boron coated bolt carrier group with a Carpenter 158 steel bolt
• Free-float M-Lok handguard with full-length Picatinny top rail
• Magpul MBUS Pro front and rear flip-up sights
• Magpul MOE SL grip and MOE SL-S carbine stock
• Two-stage match-grade trigger with a crisp break

This Springfield Saint 5.56mm semi-automatic AR-15 rifle with M-Lok rail also includes a pinned low-profile gas block and a Bravo Company Gunfighter charging handle, further enhancing reliability and user interface. The overall weight is 6.5 pounds unloaded, making it highly maneuverable in tight quarters.

Who It’s For

The Springfield Saint 5.56mm semi-automatic AR-15 rifle with M-Lok rail is designed for the shooter who demands a production rifle that performs like a custom build. It is an ideal choice for the law enforcement officer or security professional seeking a duty-ready carbine that requires no immediate upgrades. Competitive shooters will appreciate the two-stage trigger and the free-float M-Lok rail for attaching competition accessories. Home defenders and recreational shooters benefit from the proven 5.56mm chambering and the reliability of a chrome-lined barrel. This rifle is also well-suited for the intermediate AR-15 user looking to transition into a higher-tier platform without the wait time or cost of a custom build. The Magpul furniture and the included iron sights mean you can take the Springfield Saint 5.56mm semi-automatic AR-15 rifle with M-Lok rail straight from the case to the range.

Shipping & FFL

This product is classified as a firearm and will ship to a Federal Firearms License (FFL) dealer in your area. After placing your order, you must provide the contact information for a licensed FFL dealer who is willing to accept the transfer. We cannot ship to PO boxes or APO addresses for this item. Please confirm with your chosen FFL that they will accept transfers from online retailers before completing your purchase. All applicable federal, state, and local laws must be followed. It is your responsibility to ensure compliance with all regulations. By purchasing the Springfield Saint 5.56mm semi-automatic AR-15 rifle with M-Lok rail, you certify that you are legally eligible to own this firearm. Standard shipping rates apply, and signature upon delivery is required.