STEEL Immortal XL AIR Suppressor, cal..223/5.45. Thread 1/2"-28 UNEF
The Immortal series of suppressors from STEEL is designed for those who demand maximum reliability and durability in the most extreme operating conditions. The Immortal XL AIR model is intended for.223 Rem (5.56/45) and 5.45x39 calibers and belongs to the 5.6 mm (.224) caliber group. This is a non-disassemblable sound moderator/suppressor, designed to withstand intense prolonged firing, bursts, and overheating up to 600°C.
The suppressor is made of Italian stainless gun steel, ensuring corrosion resistance and a long service life. The internal architecture of the device is implemented using TM STEEL's patented "floating separator block" technology, which compensates for linear expansion at high temperatures and ensures stable operation during automatic firing. A special powder gas deflector is installed inside, which directs gases into two sound moderator circuits, significantly reducing the acoustic level of the shot and simultaneously performing the function of a muzzle brake-compensator (MBC).
Key Advantages and Features
- Maximum reliability in conditions of intensive use and extreme temperatures.
- Body material: Italian stainless gun steel — corrosion resistance and high strength.
- Patented floating separator block technology with gas venting to compensate for expansion and reduce barrel bore contamination.
- Integrated powder gas deflector and chamber design creating an effective dual-circuit gas exit path.
- Active muzzle brake-compensator (MBC) function — reduces muzzle rise and improves control during burst or automatic firing.
- Construction: non-disassemblable, which increases product reliability and durability.
Technical Specifications
| Parameter | Value |
|---|---|
| Brand | STEEL |
| Model | Immortal XL AIR |
| Caliber | .223 Rem (5.56/45); 5.45x39 |
| Caliber Group | 5.6 mm (.224) |
| Muzzle Thread | 1/2"-28 UNEF |
| Overall Length | 162 mm |
| Dimensions | 162×47 mm |
| Weight | 560 g |
| Material | Stainless gun steel (Italian) |
| Coating | Cerakote gun paint |
| Color | Black |
| Acoustic Efficiency | 31 dB (according to sound level meter) |
| Chambers | 9+1 (equivalent to 22 chambers in competitors) |
| Construction | Non-disassemblable |
| Additional Elements | Pre-expansion chamber; floating separator block with gas venting; powder gas deflector; active MBC function; vents 70-80% of powder gases |
| Purpose | Sound moderator / Suppressor for firearms |
| Type | Sound Moderator |
| Country of Manufacture | Ukraine |
The Immortal XL AIR suppressor shows excellent results in reducing shot noise — up to 31 dB according to the sound level meter — and simultaneously significantly reduces the volume of powder gases, venting 70-80% of them, which reduces barrel contamination and increases weapon lifespan. Thanks to the 9+1 chamber design and the pre-expansion chamber, effective noise suppression is achieved while maintaining weapon control.
This suppressor is ideal for shooters seeking a combination of acoustic efficiency, durability, and resistance to extreme loads, as well as for applications where automatic mode operation is important. The model combines high-quality materials, modern technological solutions, and professional characteristics inherent in STEEL products.
Other products in this category here Sound moderators, MBCs, flash hiders
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