The E526 SBR is a premium 11.5″ 5.56 NATO short-barreled rifle manufactured to the highest standards in the industry. Built around a hybrid-profile spiral fluted chrome-lined barrel, carbine-length gas system, and premium Shadow Systems components throughout, it delivers exceptional reliability, durability, and maneuverability in a compact package. Designed from the ground up as a complete system, every major component was engineered to work together, creating a lightweight platform optimized for close-quarters handling, reliability, and long-term performance
Lightweight Fighting Platform
Designed to maximize performance while minimizing weight, the E526 weighs just 5.4
lbs, making it exceptionally maneuverable without compromising durability
Hybrid-Profile 4150 CMV Barrel
Chrome-lined for durability and engineered with a hybrid profile and spiral fluting to
maximize accuracy while minimizing unnecessary weight.
Carbine-Length Gas System
Optimized for reliable cycling and exceptional performance in an 11.5" platform.
Pinned 17-4 Stainless Steel Gas Block
Military-grade pinned gas block provides exceptional long-term durability and secure
alignment.
Low-Friction Bolt Carrier Group
Premium low-friction surface engineering with C158 MPI-tested bolt. Available in TiCN
(Bronze) or ArmorLube (Black).
Elite Two-Stage Duty Trigger
Predictable take-up with a clean 3.5 lb break designed for precision and duty use.
Lightweight Low-Flex M-LOK Handguard
Rigid multi-axis mounting interface provides exceptional strength while maintaining a
lightweight profile.
Maelstrom Flash Hider
Three-prong flash hider compatible with Plan B suppressor mounting systems.
Fully Ambidextrous Controls
Ambidextrous bolt release, charging handle, and configurable safety selector with 60° or
90° throw.
Shadow Systems Furniture
Proprietary grip, foregrip, and Shadow Systems Stock designed for comfort, control, and
durability
| Model | E526 |
|---|---|
| Action | Semi-Automatic, Direct Impingement |
| Caliber | 5.56 NATO |
| Weight | 5.4 lbs |
| Barrel Length | 11.5" |
| Barrel Specification | 4150 CMV Steel, Hybrid Profile, Spiral Fluted, Chrome-Lined. Stress relieved before and after machining to maximize accuracy and minimize heat dispersion. 1:7 Twist Rate. |
| Gas System | Carbine Length |
| Gas Block | Cross-Pinned 17-4 Stainless Steel |
| Muzzle Device | Maelstrom Flash Hider, Plan B Compatible (1.94") |
| Handguard | Lightweight Low-Flex M-LOK Handguard with high-strength, low-profile, multi-axis mounting system and extended barrel nut. |
| Bolt Carrier Group | C158 Bolt, MPI Tested, premium low-friction surface engineering. Available in TiCN (Bronze) or ArmorLube (Black). |
| Bolt Release | Ambidextrous |
| Safety Selector | Ambidextrous, configurable for lever style and 60° or 90° throw. |
| Trigger | Elite Two-Stage Duty Trigger (3.5 lb total pull) |
| Charging Handle | Ambidextrous |
| Furniture | Proprietary Shadow Systems textured pistol grip and foregrip |
| Sling Mounting | Sling attachment points in brace. User-configurable angled M-LOK sling mount on handguard. |
| Stock | Shadow Systems Stock. Lightweight, anti-rattle, beard resistant, and NATO drop-test compliant. |
| Finish Options | Black / FDE Anodized |
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Return to manufacturer for warranty service. No Returns.
