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-from-factory solution for shooters who demand reliability without unnecessary upgrades. Built on a forged 7075 T6 aluminum receiver set, this rifle chambers the ubiquitous 5.56mm NATO round and ships with a single-stage Mil-Spec trigger. The free-float M-Lok handguard allows direct attachment of accessories while reducing weight. This is not a custom build; it is a production rifle from Springfield Armory that meets Mil-Spec tolerances and has been test-fired before shipment. If you are looking for a no-compromise entry into the AR-15 platform, the Springfield Saint 5.56mm semi-automatic AR-15 rifle with M-Lok rail is a strong contender.

Features & Specs

The Springfield Saint 5.56mm semi-automatic AR-15 rifle with M-Lok rail is engineered for consistent performance. The 16-inch chrome-moly vanadium barrel features a 1:8 twist rate, stabilizing both 55-grain and 62-grain loads with equal precision. The barrel is finished with a Melonite treatment for corrosion resistance and extended service life. The M-Lok handguard is free-floated to eliminate barrel contact, improving accuracy potential. The bolt carrier group is shot-peened and high-pressure tested, with a chrome-lined carrier interior for reliable cycling under adverse conditions.

• Caliber: 5.56mm NATO / .223 Remington
• Barrel: 16-inch chrome-moly vanadium, Melonite finish, 1:8 twist
• Handguard: Free-float M-Lok aluminum rail, 15-inch length
• Upper/Lower Receiver: Forged 7075 T6 aluminum, Type III hard coat anodized
• Trigger: Single-stage Mil-Spec, 5.5-6.5 lb pull weight
• Stock: B5 Systems Bravo six-position collapsible stock
• Weight: 6.5 pounds (unloaded)
• Overall Length: 32.5 inches (collapsed) to 35.75 inches (extended)

Who It Is For

This rifle is suited for the shooter who wants a factory-built, ready-to-run AR-15 without the need for aftermarket modifications. The Springfield Saint 5.56mm semi-automatic AR-15 rifle with M-Lok rail is appropriate for home defense, recreational target shooting, and training courses where consistent function is required. It is not a competition race gun or a lightweight patrol carbine; it is a middle-ground rifle that prioritizes reliability over weight savings. New AR-15 owners benefit from the proven Mil-Spec parts compatibility, while experienced shooters will appreciate the free-float M-Lok rail for mounting lights, lasers, or vertical grips. If you are searching for a simple, durable rifle that works out of the box, this model deserves consideration.

• Home defense and property protection
• Range training and marksmanship development
• Tactical courses and carbine classes
• First AR-15 purchase for new shooters

Shipping & FFL

This firearm ships to a Federal Firearms License (FFL) dealer only. After placing your order, you will receive a confirmation email. You must provide the name and contact information of your chosen FFL dealer during checkout. We cannot ship to residential addresses, PO boxes, or international locations. Your FFL dealer must be willing to accept the transfer and conduct the required background check before you take possession. Please verify with your local FFL that they accept shipments from online retailers prior to purchase. Shipping is free within the contiguous United States. If you have questions about the Springfield Saint 5.56mm semi-automatic AR-15 rifle with M-Lok rail, contact our customer service team before completing your order.

• Firearm ships to your chosen FFL dealer only
• Provide valid FFL license information at checkout
• Background check required per federal and state law
• Free shipping within the contiguous US