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 is a no-nonsense, duty-ready platform built for shooters who demand reliability out of the box. Springfield Armory designed this rifle around the idea that you shouldn’t have to swap parts to get a dependable, accurate carbine. The free-floating M-LOK handguard gives you plenty of real estate for lights, grips, or lasers without adding unnecessary weight. Chambered in 5.56 NATO, this Springfield Saint cycles smoothly and runs clean with both brass and quality steel-case ammunition. If you are looking for a factory-built AR that feels like a custom build, this is it.

Features & Specs

Every component on the Springfield Saint 5.56mm semi-automatic AR-15 rifle with M-LOK rail is selected for function and durability. The 16-inch chrome-moly vanadium barrel with a Melonite finish provides consistent accuracy and resists corrosion. The M-LOK rail is lightweight and rigid, keeping your zero tight while allowing for modular accessory mounting. The nickel boron coated bolt carrier group ensures smooth cycling and easy cleaning, even after long range sessions.

• Caliber: 5.56mm NATO (also accepts .223 Remington)
• Barrel: 16 inches, chrome-moly vanadium with Melonite finish, 1:8 twist rate
• Handguard: Free-float M-LOK rail with continuous top Picatinny rail
• BCG: Nickel boron coated for reduced friction and easy maintenance
• Stock: B5 Systems Bravo stock with enhanced rubber buttpad
• Grip: B5 Systems pistol grip with textured surface
• Muzzle Device: Springfield Armory two-port compensator for reduced muzzle rise
• Trigger: Nickel boron coated single-stage, factory tuned to 5.5–6.5 lbs
• Weight: 6.5 pounds unloaded
• Overall Length: 35 inches collapsed, 38.5 inches extended

Who It’s For

This rifle fits the shooter who wants a turnkey AR-15 without compromise. Whether you are building out a patrol rifle, a home defense carbine, or a weekend competition gun, the Springfield Saint 5.56mm semi-automatic AR-15 rifle with M-LOK rail handles the job. It works for new shooters because the controls are standard and the recoil is mild. It works for experienced shooters because the barrel, trigger, and BCG are already upgraded from mil-spec. If you spend time behind a gun bench and want something that runs right away without a laundry list of modifications, this is your rifle.

• First-time AR buyers looking for a quality, complete rifle
• Experienced shooters wanting a reliable spare or truck gun
• Home defense and patrol applications where reliability is critical
• Competition shooters in 3-Gun or tactical matches

• Praised for out-of-box accuracy and consistent function
• Low maintenance with the nickel boron BCG and Melonite barrel
• Lightweight enough for all-day carry or classes

Shipping & FFL

All firearm purchases ship directly to a Federal Firearms License (FFL) dealer of your choice. After placing your order, please provide your chosen FFL’s contact information so we can verify their license on file. You will need to complete a ATF Form 4473 and pass a NICS background check at pickup. Shipping times vary by location, but we typically process and ship within 1–3 business days. Some states and localities have additional restrictions on AR-15 style rifles. It is your responsibility to confirm that the Springfield Saint 5.56mm semi-automatic AR-15 rifle with M-LOK rail is legal to own in your jurisdiction before ordering. We do not ship to P.O. boxes or APO addresses for firearms. If you have questions about the transfer process, contact our team before placing your order.