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 production-ready defensive carbine built for shooters who demand reliability straight from the box. Springfield Armory designed this platform to bridge the gap between entry-level ARs and high-end custom builds, using Mil-Spec components with targeted upgrades where they matter most. The free-float M-LOK handguard provides a stable attachment surface while reducing overall weight, and the pinned low-profile gas block ensures consistent cycling across a wide range of ammunition. For Florida residents facing humid coastal conditions, the Melonite-treated barrel and corrosion-resistant finishes make this rifle a practical choice for both range training and home defense.

Features & Specs

The springfield saint 5.56mm semi-automatic ar-15 rifle with m-lok rail comes standard with components that often require aftermarket upgrades on other factory rifles. Each rifle is function-tested at the factory and ships with one 30-round Magpul PMAG. Key specifications include a 16-inch chrome-moly vanadium barrel with a 1:8 twist rate, a Mil-Spec 7075 T6 aluminum upper and lower receiver, and a carbine-length gas system with a pinned low-profile gas block.

• Barrel: 16-inch chrome-moly vanadium steel with Melonite finish, 1:8 twist, and a target crown for accuracy
• Handguard: 12-inch free-float M-LOK rail with continuous top Picatinny rail for mounting optics and accessories
• Trigger: Enhanced single-stage trigger with a nickel-boron coated sear, measured at 5.5-6.0 pounds pull weight

• Stock: B5 Systems SOPMOD Bravo buttstock with multiple length-of-pull positions and a storage compartment
• Grip: B5 Systems Type 23 pistol grip with an improved grip angle and textured surface
• Muzzle Device: A2-style flash hider with standard 1/2×28 threading for suppressor or compensator compatibility

The springfield saint 5.56mm semi-automatic ar-15 rifle with m-lok rail also features a forward assist, dust cover, and a brass deflector as standard Mil-Spec features. The bolt carrier group is shot-peened and high-pressure tested, with a chrome-lined bolt carrier interior for easier cleaning.

Who It's For

This rifle is suited for Florida gun owners who need a reliable semi-automatic platform for defensive use, range qualification, or patrol applications. The 5.56mm chambering offers low recoil and affordable practice ammunition, while the M-LOK handguard allows for mounting lights, lasers, or foregrips without tools. Law enforcement officers, security professionals, and civilian shooters who prefer a ready-to-use rifle without custom assembly will find the Springfield Saint AR-15 a direct solution. It also functions well for new AR-15 buyers who want factory reliability without the guesswork of building from parts. The 1:8 twist rate stabilizes both 55-grain and 62-grain ammunition, making it versatile for different shooting scenarios.

Shipping & FFL

This product ships to a Federal Firearms License (FFL) dealer in your area. After placing your order, we will contact you to confirm your chosen FFL dealer's current license information. You must be at least 21 years old to purchase a rifle from a licensed dealer in Florida, and all federal, state, and local laws apply. We recommend contacting your receiving FFL before ordering to confirm they accept transfers and understand their specific fees and policies. The springfield saint 5.56mm semi-automatic ar-15 rifle with m-lok rail will ship in a factory cardboard box with one 30-round magazine, a cable lock, and an owner's manual. Signature may be required upon delivery at the dealer's discretion.