Springfield Saint 5.56mm AR-15 Pistol with B5 Grip and Trinity Force Breach Blade Brace

The Springfield Saint 5.56mm AR-15 Pistol with B5 Grip and Trinity Force Breach Blade Brace represents a precision-engineered compact platform designed for serious shooters. Chambered in 5.56mm NATO, this pistol combines Springfield Armory’s manufacturing pedigree with a carefully selected set of upgrades. The B5 grip provides an ergonomic, textured interface, while the Trinity Force Breach Blade Brace offers enhanced stabilization without compromising the pistol’s compact profile. This is a purpose-built firearm for those who demand reliability and performance in a short-barreled configuration.

Overview

The Springfield Saint 5.56mm AR-15 Pistol with B5 Grip and Trinity Force Breach Blade Brace is built on a forged 7075-T6 aluminum upper and lower receiver set. The 7.5-inch, 4140 carbon steel barrel features a 1:7 twist rate and is finished with a Melonite treatment for corrosion resistance and extended service life. The pistol-length gas system, combined with a low-profile gas block, ensures consistent cycling with a variety of 5.56mm and .223 Remington loads. The Trinity Force Breach Blade Brace attaches via a standard buffer tube, allowing for ambidextrous use and a stable cheek weld when shouldered. This firearm weighs approximately 5.25 pounds unloaded and ships with one 30-round magazine.

Features & Specs

• Barrel and Gas System: 7.5-inch 4140 carbon steel barrel with Melonite finish, 1:7 twist rate, pistol-length gas system with low-profile gas block. Muzzle is threaded 1/2×28 TPI and includes a birdcage flash hider.
• Grip and Brace: B5 Systems Type 23 pistol grip with enhanced texture and finger groove design. Trinity Force Breach Blade Brace with adjustable length of pull and integrated QD sling mount point.
• Receiver and Controls: Forged 7075-T6 aluminum receivers with hardcoat anodized finish. Mil-spec trigger group with a measured pull weight of 6.5 to 7.5 pounds. Ambidextrous safety selector and standard charging handle.

Additional specifications include a free-float M-Lok handguard with a length of 7 inches, allowing for accessory mounting. The bolt carrier group is made from Carpenter 158 steel with a shot-peened bolt and is MPI tested. The rear sight is a Magpul MBUS flip-up unit, and the front sight is integrated into the gas block. Overall length is 25.5 inches with the brace fully collapsed and 27.5 inches extended.

Who It’s For

This Springfield Saint 5.56mm AR-15 Pistol with B5 Grip and Trinity Force Breach Blade Brace is ideal for shooters seeking a compact, maneuverable platform for target shooting, home defense, or as a vehicle companion firearm. The 5.56mm chambering provides effective terminal ballistics from a short barrel when using appropriate ammunition. Law enforcement and security professionals may find this configuration suitable for plainclothes or low-profile operations where a full-length rifle is impractical. The adjustable brace also accommodates shooters with varying arm lengths and shooting positions. This pistol is not recommended for those seeking a precision benchrest or long-range platform, as the 7.5-inch barrel limits velocity and effective range beyond 200 yards.

Shipping & FFL

This firearm ships to a Federal Firearms License (FFL) dealer of your choice. Upon placing your order, you must provide the name and contact information of a valid FFL holder in your state of residence. We will verify the FFL and ship the springfield saint 5.56mm ar-15 pistol with b5 grip and trinity force breach blade brace within 1–3 business days. Please confirm your local and state laws regarding pistol braces, barrel length minimums, and any additional restrictions before ordering. We do not ship to P.O. boxes, and a signature is required upon delivery. All NFA rules and local ordinances apply; it is your responsibility to ensure compliance with all applicable regulations.