Description

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 in Geneseo, Illinois, by Springfield Armory, this rifle is engineered for duty-grade reliability without unnecessary weight or complexity. The Saint series was designed from the ground up with input from competitive shooters and law enforcement professionals, resulting in a carbine that balances precision, durability, and handling. Chambered in 5.56mm NATO, this semi-automatic AR-15 delivers consistent performance for target shooting, home defense, and patrol applications. The free-float M-Lok handguard provides a stable mounting platform for accessories while reducing overall weight. Whether you are building a primary patrol rifle or a range-ready carbine, the Springfield Saint 5.56mm Semi-Automatic AR-15 Rifle with M-Lok Rail delivers proven performance out of the box.

Features & Specs

The Springfield Saint 5.56mm Semi-Automatic AR-15 Rifle with M-Lok Rail is built with mil-spec components and enhanced with select performance upgrades. Every element of this rifle is designed for function and longevity.

• Barrel: 16-inch chrome-moly vanadium steel, Melonite finished, with a 1:8 twist rate and M4 feed ramps for reliable cycling with a wide range of ammunition weights
• Handguard: Free-float M-Lok aluminum rail with a continuous top Picatinny section, allowing direct mounting of optics, lights, and foregrips without barrel interference
• Action: Direct impingement gas system with a low-profile gas block, carbine-length gas tube, and a nickel-boron coated bolt carrier group for reduced friction and easier cleaning

• Stock: Bravo Company Manufacturing Gunfighter buttstock with a mil-spec buffer tube, offering five adjustable positions for length of pull and a positive cheek weld
• Sights: Magpul MBUS flip-up rear and front sights, co-witness height, with a flat-top upper receiver for optic mounting
• Trigger: Nickel-boron coated single-stage trigger with a 5.5-to-6.5-pound pull weight, minimizing creep and overtravel for consistent shot placement

• Weight: 6 pounds 11 ounces unloaded, making the Springfield Saint 5.56mm Semi-Automatic AR-15 Rifle with M-Lok Rail one of the lightest duty-grade carbines in its class
• Overall Length: 32.5 to 36 inches depending on stock position; 36 inches with stock fully extended
• Finish: Hardcoat anodized aluminum upper and lower receivers; corrosion-resistant Melonite barrel and gas block

Who It’s For

The Springfield Saint 5.56mm Semi-Automatic AR-15 Rifle with M-Lok Rail is designed for the shooter who requires a reliable, accurate carbine without the need for immediate customization. It is an excellent choice for law enforcement officers, security personnel, and civilian owners who want a ready-to-run rifle for training, competition, or home defense. The M-Lok rail system allows end users to attach lights, lasers, and vertical grips as needed, while the lightweight profile makes it suitable for shooters who may be on the move for extended periods. First-time AR-15 buyers will appreciate the factory-assembled reliability and the inclusion of high-quality components from Bravo Company and Magpul. Experienced shooters will recognize the value of the nickel-boron bolt carrier and the free-float barrel for accuracy retention. This rifle is not a safe queen; it is built to be carried, trained with, and relied upon.

Shipping & FFL

This firearm must be shipped to a Federal Firearms License (FFL) dealer in your state of residence. After placing your order, you will receive a confirmation email. Please provide your chosen FFL dealer’s contact information and current license copy within 24 hours of purchase. We cannot ship to PO boxes or APO addresses for this item. All applicable federal, state, and local laws apply. It is your responsibility to ensure that you may legally purchase and possess the Springfield Saint 5.56mm Semi-Automatic AR-15 Rifle with M-Lok Rail in your jurisdiction. Orders are processed within one to three business days, and standard ground shipping is included to the contiguous United States. Signature upon delivery is required for all firearm shipments. No returns or cancellations are accepted once the firearm has shipped.