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 on a forged 7075 T6 aluminum receiver set, this rifle delivers the reliability and accuracy expected from a combat-proven manufacturer. The free-float M-Lok handguard allows for modular accessory mounting without compromising barrel harmonics. Chambered in 5.56mm NATO, this semi-automatic rifle cycles both .223 Remington and 5.56mm ammunition with consistent feeding and ejection. The Springfield Saint 5.56mm Semi-Automatic AR-15 Rifle with M-Lok Rail ships with a single 30-round magazine and a soft carrying case.

Features & Specs

Every component on the Springfield Saint 5.56mm Semi-Automatic AR-15 Rifle with M-Lok Rail is selected for duty-grade performance. The barrel assembly and gas system are engineered for extended firing schedules without degradation.

• 16-inch chrome-moly vanadium barrel with 1:8 twist rate, Melonite finish, and a pinned low-profile gas block
• Free-float M-Lok aluminum handguard with continuous Picatinny top rail, 11 inches in length
• Nickel boron coated bolt carrier group with forward assist, dual ejectors, and a Carpenter 158 bolt
• Bravo Company Gunfighter pistol grip and Mil-Spec buffer tube with H2 buffer weight
• Adjustable rear aperture sight with post front sight, both tool-free adjustable

The Springfield Saint 5.56mm Semi-Automatic AR-15 Rifle with M-Lok Rail weighs 6.8 pounds unloaded and measures 35.5 inches overall with the stock collapsed. The six-position collapsible stock accommodates shooters of varying stature and equipment configurations. The barrel is threaded 1/2×28 for standard muzzle devices and suppressors.

Who It’s For

This rifle is designed for the shooter who demands a no-compromise platform for home defense, three-gun competition, or general range proficiency. The Springfield Saint 5.56mm Semi-Automatic AR-15 Rifle with M-Lok Rail eliminates the need for aftermarket upgrades because the essential enhancements are factory-installed. Law enforcement officers and security professionals will appreciate the immediate out-of-box readiness. First-time AR-15 buyers benefit from Springfield Armory’s quality control and warranty support, while experienced shooters recognize the value of a pre-built rifle that matches custom-build specifications. If you require a reliable semi-automatic rifle that performs under rapid fire and adverse conditions, this model meets that requirement without unnecessary weight or complexity.

• Home defense and property protection applications
• Competitive shooting sports including tactical and 3-gun matches
• Dedicated range training and marksmanship development
• Patrol rifle or duty backup for qualified professionals

Shipping & FFL

All firearm purchases ship via FedEx or UPS overnight service with adult signature required. This Springfield Saint 5.56mm Semi-Automatic AR-15 Rifle with M-Lok Rail will be shipped to a Federal Firearms License (FFL) holder of your choice within the continental United States. Before placing your order, please confirm that your selected FFL dealer is willing to accept transfer of this firearm and that the transfer complies with all local, state, and federal laws. After your order is placed, we will contact you to verify your FFL information. Standard processing time is one to three business days before shipment. We do not ship to P.O. boxes, and all shipping addresses must match the credit card billing address. It is your responsibility to comply with all applicable laws regarding firearm ownership and transfer. Some states and municipalities have additional restrictions on AR-15 style rifles; please verify your local regulations before purchasing.

• Select a licensed FFL dealer during checkout
• Provide your FFL dealer’s current license copy
• Your dealer will conduct the background check upon arrival
• We cannot ship to California, Connecticut, Hawaii, Illinois, Maryland, Massachusetts, New Jersey, New York, or Washington D.C. without verified compliance