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 modern, duty-ready platform built for reliability and precision. Chambered in 5.56mm NATO, this rifle features a 16-inch CMV (Chrome Moly Vanadium) barrel with a 1:8 twist rate, optimized for stabilizing a wide range of bullet weights from 55 to 77 grain. The free-float M-LOK handguard provides continuous attachment points for accessories while reducing overall weight and improving heat dissipation. Each unit is assembled in the United States and undergoes a 10-point quality assurance check before shipment.

Designed for shooters who demand consistent performance, the Springfield Saint 5.56mm semi-automatic AR-15 rifle with M-LOK rail delivers a reliable gas impingement system, a single-stage Mil-Spec trigger, and a pinned low-profile gas block. The rifle ships with one 30-round Magpul PMAG, a nitride-treated bolt carrier group, and a six-position collapsible buttstock. This is a factory-direct, ready-to-use carbine that requires no modification out of the box.

Features & Specs

• Caliber: 5.56mm NATO (also accepts .223 Remington); barrel length: 16 inches with a 1:8 twist, 4150 steel with Melonite finish for corrosion resistance and extended service life
• Handguard: 15-inch free-float M-LOK rail constructed from 6061-T6 aluminum, featuring a full-length top Picatinny rail for optics mounting and multiple M-LOK slots at 3, 6, and 9 o’clock positions
• Operating system: direct impingement with a Carpenter 158 steel bolt carrier group, shot-peened and high-pressure tested; includes a forward assist and dust cover

• Stock: Magpul MOE SL-K carbine stock with a standard carbine buffer tube and H buffer to reduce felt recoil; pistol grip is an integral A2-style with textured surfaces
• Sights: includes a front flip-up sight (gas block mounted, tool-less adjust) and a rear flip-up aperture sight; both are elevation and windage adjustable
• Overall weight: 6.75 pounds unloaded; overall length: 32.5 to 35.75 inches depending on stock position

Who It’s For

The Springfield Saint 5.56mm semi-automatic AR-15 rifle with M-LOK rail is intended for responsible civilian shooters who require a dependable general-purpose carbine for recreational target shooting, home defense, or training courses. This rifle suits the intermediate shooter who values factory-built consistency over custom builds, as well as the experienced owner seeking a reliable backup or a platform to accessorize with lights, lasers, or vertical grips via the M-LOK interface. It is not designed for competitive benchrest shooting but performs well in dynamic shooting drills and flat-range marksmanship out to 400 yards with appropriate optics.

Because this is a semi-automatic rifle chambered in a common intermediate caliber, it is suitable for those who already own or plan to stock 5.56mm ammunition and who understand the fundamentals of safe firearm handling. The ambidextrous safety selector and reversible magazine release make it adaptable for left-handed shooters.

Shipping & FFL

• This item is a firearm and must be shipped to a Federal Firearms License (FFL) holder for transfer. You must select a licensed dealer during checkout and provide their valid FFL information
• Shipping is via a licensed carrier with adult signature required. We ship to all states where legal ownership of this rifle is permitted, excluding states or localities with specific bans on semiautomatic rifles or magazine capacity restrictions
• It is the buyer’s sole responsibility to verify that the Springfield Saint 5.56mm semi-automatic AR-15 rifle with M-LOK rail is legal to possess in their jurisdiction before placing an order. No returns or cancellations due to local law noncompliance