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 is a factory-built, duty-grade carbine engineered for reliability out of the box. Chambered in 5.56 NATO, this rifle features a 16-inch CMV barrel with a 1:8 twist rate, a pinned low-profile gas block, and Springfield’s proprietary M-Lok free-float handguard. Designed for shooters who demand consistent performance without the need for aftermarket upgrades, the Saint delivers a robust operating system with a nickel-boron coated bolt carrier group and a single-stage Mil-Spec trigger. This model is currently available at a competitive price point for a premium AR-15 platform.

Features & Specs

The springfield saint 5.56mm semi-automatic ar-15 rifle with m-lok rail is built on a forged 7075 T6 aluminum upper and lower receiver with a Type III hard-coat anodized finish. Key manufacturer specifications include a 16-inch chrome-moly vanadium steel barrel with a 1:8 twist, an M-Lok free-float handguard, and a six-position collapsible carbine stock. The rifle is equipped with a standard A2 flash hider, a flat-top Picatinny rail for optics mounting, and a Mil-Spec buffer tube assembly.

• Caliber: 5.56mm NATO / .223 Remington
• Barrel Length: 16 inches (1:8 twist, CMV steel)
• Handguard: M-Lok free-float, 15-inch length
• BCG: Nickel-boron coated, full-auto rated
• Weight: 6.5 pounds (unloaded)

Additional features include an ambidextrous safety selector, a dust cover, and a forward assist. The rifle ships with one 30-round Magpul PMAG. The springfield saint 5.56mm semi-automatic ar-15 rifle with m-lok rail is factory tested for function and accuracy before shipment.

• Receiver Material: Forged 7075 T6 aluminum
• Trigger: Single-stage Mil-Spec, 5.5-7.5 lb pull
• Gas System: Direct impingement, carbine-length with low-profile block
• Stock: Magpul MOE SL carbine stock (6-position)
• Sights: None included (flat-top Picatinny)

Who It’s For

This rifle is suited for Illinois residents seeking a reliable, ready-to-run AR-15 for home defense, range training, or recreational shooting. The mid-length gas system and free-float M-Lok rail provide balance and modularity without requiring immediate aftermarket modification. It is ideal for shooters who want a factory-built rifle from a U.S. manufacturer with a proven track record. The 16-inch barrel and overall length comply with Illinois state regulations for non-restricted firearms, though purchasers must verify local ordinances. The springfield saint 5.56mm semi-automatic ar-15 rifle with m-lok rail is not recommended for competitive shooting requiring a match-grade trigger or heavy barrel profiles.

• Illinois residents with valid FOID card
• Shooters seeking a dependable entry-to-mid-level AR-15 platform
• Users who prefer a free-float handguard for accessory mounting

Shipping & FFL

This firearm ships to a licensed Federal Firearms License (FFL) dealer in Illinois only. By placing an order, you confirm that you are the actual buyer and will comply with all state and federal laws. The springfield saint 5.56mm semi-automatic ar-15 rifle with m-lok rail will be shipped via common carrier to your chosen FFL holder. You must contact the receiving dealer prior to shipment to confirm they accept transfers and will process the required background check. No shipment will be made to a residential address. All Illinois state-specific regulations, including the Firearm Owners Identification (FOID) card requirement and any local waiting periods, apply. It is your responsibility to ensure the receiving FFL is willing to process the transfer. We are not responsible for delays due to dealer refusal or non-compliance with state laws. Please verify your FFL’s policies before completing the purchase.