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-grade carbine built for shooters who demand reliability without unnecessary weight. Chambered in 5.56 NATO, this rifle uses a direct impingement gas system with a mid-length gas tube to reduce recoil impulse and improve component longevity. The free-floating M-LOK handguard provides continuous accessory mounting options while eliminating barrel contact that degrades accuracy. This model is assembled in the United States using forged 7075 T6 aluminum receivers and a 4150 chrome-moly vanadium steel barrel with a 1:8 twist rate.

Every springfield saint 5.56mm semi-automatic ar-15 rifle with m-lok rail ships with a GI-spec single-stage trigger, a pinned front sight base with a low-profile gas block, and a six-position collapsible buttstock. The rifle weighs 6.5 pounds unloaded, making it suitable for patrol, range training, or home defense applications. The barrel is finished with a Melonite QPQ treatment for corrosion resistance and extended service life.

Features & Specs

• Forged 7075 T6 upper and lower receivers with Type III hard coat anodized finish
• 16-inch chrome-moly vanadium steel barrel with 1:8 twist, Melonite QPQ treated
• Free-floating M-LOK handguard with continuous Picatinny top rail
• Mil-spec single-stage trigger, pinned low-profile gas block, and A2 flash hider
• Six-position collapsible carbine stock with H buffer for 5.56 NATO pressure curves
• Includes one 30-round Magpul PMAG magazine, owner’s manual, and trigger lock

This springfield saint 5.56mm semi-automatic ar-15 rifle with m-lok rail meets SAAMI headspace specifications and is proof-tested before shipment. The bolt carrier group is made from 8620 steel with a shot-peened and MPI-tested bolt. The charging handle is standard mil-spec with a latch on the left side for right-handed users.

Who It Is For

The Springfield Saint AR-15 is designed for civilian shooters who need a functional, no-excuses carbine for general purpose use. It fits the role of a first AR-15 for new owners who want a reliable platform without custom assembly, as well as experienced shooters who want a backup rifle or a dedicated training tool. The M-LOK handguard allows attachment of lights, foregrips, and bipods without modifying the barrel or gas system.

If you are looking for a factory-built 5.56 rifle that runs on standard mil-spec magazines, uses common AR-15 parts for maintenance, and does not require break-in procedures, this model is a straightforward choice. The 1:8 twist barrel handles 55-grain through 77-grain projectiles effectively, making it compatible with both budget range ammunition and match-grade loads.

Shipping & FFL

This firearm ships to your chosen Federal Firearms License (FFL) dealer. By placing an order, you confirm that the rifle is legal in your state and locality and that you are legally eligible to purchase a firearm. We ship within two business days via a common carrier that requires an adult signature upon delivery. Contact your FFL before ordering to confirm they will accept the transfer. All applicable federal, state, and local laws apply. By purchasing this product, you agree to comply with all firearms transfer regulations.