Description

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

Overview

The Springfield Saint 5.56mm AR-15 Pistol with B5 Grip and Trinity Force Breach Blade Brace is a purpose-built compact platform engineered for reliability and control. Chambered in 5.56mm NATO, this pistol combines a 7.5-inch barrel with a free-float M-Lok handguard for reduced weight and rapid heat dissipation. The included B5 grip improves ergonomics under recoil, while the Trinity Force Breach Blade brace provides a stable shooting platform without NFA restrictions. This configuration is factory-assembled by Springfield Armory, ensuring consistent headspace and function out of the box.

Features & Specs

The Springfield Saint 5.56mm AR-15 Pistol with B5 Grip and Trinity Force Breach Blade Brace is built around a forged 7075 T6 aluminum upper and lower receiver set. The 4150 chrome-moly vanadium steel barrel features a 1:8 twist rate, optimized for stabilizing both 55-grain and 77-grain projectiles. The Trinity Force Breach Blade brace attaches to a carbine receiver extension and uses a contoured strap slot for secure forearm placement. The B5 grip incorporates a reduced angle and textured polymer surface to mitigate hand fatigue during extended range sessions.

• Caliber: 5.56mm NATO (accepts .223 Remington)
• Barrel Length: 7.5 inches with Melonite finish
• Brace: Trinity Force Breach Blade with reinforced polymer
• Grip: B5 Systems Type 23 with beavertail
• Handguard: 7-inch free-float M-Lok aluminum
• Weight: 5.3 pounds unloaded
• Overall Length: 26.5 inches (brace collapsed)
• Capacity: Accepts standard AR-15 magazines (one Magpul PMAG 30-round included)

Who It’s For

This pistol suits shooters who need a compact defensive platform or a vehicle-ready firearm that maintains AR-15 manual of arms. The 5.56mm chambering delivers terminal performance comparable to a carbine-length rifle, while the brace allows one-handed support or aimed fire from the shoulder. The B5 grip and Trinity Force brace make this configuration viable for shooters with smaller hands or those who prefer a reduced-length-of-pull setup. Recreational shooters will appreciate the M-Lok handguard for mounting lights, lasers, or foregrips without adding bulk. The Springfield Saint 5.56mm AR-15 Pistol with B5 Grip and Trinity Force Breach Blade Brace is also a strong option for those building a pistol-to-rifle conversion later, as the upper receiver uses standard AR-15 components.

• Home defense operators requiring a maneuverable 5.56mm platform
• Backcountry users who need a packable firearm with rifle-like ballistics
• CCW holders seeking a belt-storable pistol with high magazine capacity

Shipping & FFL

All orders for the Springfield Saint 5.56mm AR-15 Pistol with B5 Grip and Trinity Force Breach Blade Brace require shipment to a Federal Firearms License (FFL) dealer in your state of residence. After placing your order, provide your chosen FFL’s contact information during checkout. We verify each FFL’s license prior to shipment. Some states and localities have restrictions on barrel length, brace configuration, or magazine capacity. It is your responsibility to confirm that this pistol complies with all applicable laws in your jurisdiction. We do not ship to PO boxes or APO addresses for firearms. Signature is required upon delivery.

• Must ship to a licensed FFL dealer
• State and local laws apply to this NFA-exempt pistol
• Allow 3-7 business days for FFL verification and processing