Specifications

Specifications come from the product listing. Check them against your own needs before you order, and ask us if anything is unclear.

About the Springfield Armory Saint 5.56 NATO AR-15 Rifle

Overview

The Springfield Saint 5.56 NATO AR-15 Rifle with B5 Furniture represents a meticulously engineered platform from Springfield Armory, designed to deliver consistent accuracy and reliable cycling under varied conditions. This rifle combines a cold hammer-forged barrel with B5 Systems furniture, providing an immediate upgrade in ergonomics and recoil management without requiring aftermarket modifications. Chambered in 5.56 NATO, the Springfield Saint 5.56 NATO AR-15 Rifle with B5 Furniture is built for shooters who demand precision from a production-grade AR platform. The rifle features a pinned low-profile gas block and a free-floating M-Lok handguard, ensuring that barrel harmonics remain undisturbed for enhanced shot-to-shot consistency. For the shooter seeking a ready-to-run carbine that bridges the gap between entry-level and premium builds, the Springfield Saint 5.56 NATO AR-15 Rifle with B5 Furniture offers a solution that requires no additional parts swapping out of the box.

Features & Specs

The Springfield Saint 5.56 NATO AR-15 Rifle with B5 Furniture is built on a forged 7075 T6 aluminum upper and lower receiver set, hard-coat anodized for corrosion resistance. The 16-inch barrel features a 1:8 twist rate optimized for stabilizing a wide range of bullet weights from 55 to 77 grain. The B5 Systems furniture includes a Type 23 pistol grip, a SOPMOD stock with integrated storage compartments, and a B5 handguard with full-length Picatinny top rail and M-Lok slots at the 3, 6, and 9 oclock positions. The trigger is a single-stage Mil-Spec unit with a nickel-boron coated trigger group for a smoother pull and faster reset. The rifle ships with one Magpul PMAG 30-round magazine and a hard plastic case.

• Caliber: 5.56 NATO (also accepts .223 Remington). Barrel: 16 inches, chrome-moly vanadium steel, cold hammer-forged, Melonite finish, 1:8 twist, M4 feed ramps.
• Gas System: Direct impingement, mid-length gas system with pinned low-profile gas block. Muzzle device: Springfield Armory factory flash hider, 1/2x28 threads.
• Weight: 6.75 pounds unloaded. Overall length: 32.5 inches collapsed, 35.75 inches extended. Receiver material: Forged 7075 T6 aluminum, Type III hard coat anodized.

Who It's For

The Springfield Saint 5.56 NATO AR-15 Rifle with B5 Furniture is intended for the serious shooter who requires a duty-grade carbine for competition, home defense, or range training. This rifle is particularly suited for those who prefer the ergonomics of B5 Systems furniture over standard M4 style components, offering improved cheek weld and grip texture. The mid-length gas system reduces felt recoil and carrier velocity compared to carbine-length systems, making the Springfield Saint 5.56 NATO AR-15 Rifle with B5 Furniture a strong choice for new shooters transitioning from bolt-action rifles. Law enforcement professionals and civilian shooters who run high-round-count training courses will appreciate the cold hammer-forged barrel's longevity and the enhanced trigger coating's resistance to carbon fouling. This rifle is not designed for ultralight backpacking roles but rather for shooters who prioritize reliability and repeatable accuracy over weight savings.

• Ideal for shooters attending tactical rifle courses, three-gun competitions, or defensive carbine classes where the B5 furniture reduces fatigue during long sessions.
• Suitable for hunters requiring a .223 Remington platform for varmint or predator control, with the 1:8 twist handling 40-77 grain projectiles effectively.
• Recommended for first-time AR-15 buyers who want factory-assembled B5 furniture and a mid-length gas system without paying custom builder premiums.

Shipping, returns and FFL transfer

• Firearms ship only to a licensed FFL dealer you choose at checkout, never to a home address. You pick it up there with photo ID after the ATF Form 4473 and background check. The dealer charges their own transfer fee.
• Shipping is $29.99 per order, free on orders over $999. Orders usually leave within 1–3 business days after payment clears and we have your dealer’s license.
• A firearm can be returned before transfer; once transferred it cannot be returned for a refund, but the maker’s warranty still applies.

Full terms: shipping and FFL transfers · returns and refunds · FAQ · contact us.

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