Shadow Systems U526
Shadow Systems · Rifle · In Production · 2026
Also known as: Shadow Systems U526 Rifle
Overview
The Shadow Systems U526 is the company's first 5.56 NATO AR-15 rifle, debuted at SHOT Show 2026. Best known for its premium Glock-pattern pistols, Shadow Systems built the U526 around an in-house ecosystem: a two-stage duty trigger, configurable ambidextrous safety, M7-style ambidextrous bolt release, proprietary furniture, and a bronze-coated bolt carrier group. It uses a 16-inch chrome-lined, spiral-fluted 4150 CMV barrel on an intermediate gas system.
Specifications
| Weight (empty) | 2812 g (99.2 oz) |
| Barrel Length | 406 mm (15.98") |
| Action Type | Gas Operated |
| Firing Mechanism | Hammer Fired |
| Trigger Type | Two Stage |
| Trigger Pull | 16 N (3.6 lbf) |
| Magazine Capacity | 30 rounds |
| Magazine Type | Detachable Box |
| Effective Range | 500 m (547 yd) |
| Barrel Rifling | Right Hand |
| Rifling Twist | 178 mm (7.01") |
| Frame Material | Aluminum |
| Barrel Material | Steel |
| Stock Material | Polymer |
| Finish | Anodized |
Calibers
- 5.56x45mm NATO · primary · 5.56x45mm NATO — also known as 5.56mm NATO, 5.56x45mm, .223 Remington
Features
- Firing modes: Semi Automatic
- Feed systems: Detachable Box Magazine
- Safety mechanisms: Ambidextrous Manual Safety, Configurable Safety Throw
- Features: Intermediate Gas System, Chrome Lined Barrel, Spiral Fluted Barrel, Hybrid Barrel Profile, Maelstrom Flash Hider, Plan B Suppressor Interface, Two Stage Duty Trigger, Ambidextrous Controls, M7 Style Bolt Release, Bronze Premium Coated Bcg, M Lok Handguard, Pinned Gas Block
Variants
- Shadow Systems E526 — Pistol
Production
Production years: 2026-present
Origin
Country of origin: United States
Notes
Shadow Systems' first AR rifle platform, launched alongside the 11.5-inch E526 pistol. Rated 1-1.5 MOA; 3.7 lb two-stage trigger break; configurable 60-degree or 90-degree safety throw; Maelstrom flash hider with Plan B suppressor interface. Offered in Black and Flat Dark Earth. MSRP from $2,199.
Background
Shadow Systems made its name building premium Glock-pattern pistols, so the U526 - its first-ever rifle - arrived in 2026 with nearly every component, from the trigger to the charging handle to the bolt carrier, designed in-house rather than sourced from the usual AR parts bin.