Product Description
Ase Utra SL7i Black .300/.338 Sound Moderator W/O Muzzle Brake
The ASE Utra SL7i Black .300/.338 Sound Moderator is a robust magnum sound moderator designed for rifles chambered in .300 Win Mag and .338 Lapua Mag. Manufactured in Finland by ASE Utra OY, the SL7i is a lightweight and updated version of the earlier S7 design, offering strong sound reduction with a durable stainless steel construction.
Built from 300 series stainless steel and fully welded for strength, the SL7i is designed to withstand the demands of regular shooting while maintaining excellent performance. With sound suppression of up to 30–33 dB, it is a strong choice for shooters looking for effective muzzle blast reduction from high-powered magnum calibres.
.300 Win Mag & .338 Lapua Mag Sound Moderator
The SL7i is particularly suited to .300 Winchester Magnum and .338 Lapua Magnum rifles, making it a practical 300 WM sound moderator and .338 Lapua sound moderator for hunting, target shooting and long-range applications where reducing muzzle blast is important.
Its compact design adds approximately 147 mm to the overall length of the rifle, while the 45 mm diameter keeps the moderator relatively slim for a magnum-rated unit. The internal construction is designed to provide effective sound moderation without compromising the ruggedness expected from a high-performance magnum sound moderator.
Durable Stainless Steel Construction
ASE Utra manufactures the SL7i from 300 series stainless steel, with the components assembled by welding to create a strong and durable construction. The black finish gives the moderator a discreet appearance while providing a hard-wearing exterior suitable for regular use.
The SL7i is available with different internal thread options, allowing it to be fitted directly to compatible rifle barrels without requiring a muzzle brake.
Key Features
- Designed for .300 Win Mag and .338 Lapua Mag
- Suitable as a 300 WM sound moderator
- Suitable as a .338 Lapua sound moderator
- Effective magnum sound moderator for high-powered rifles
- Sound suppression of approximately 30–33 dB
- Manufactured by ASE Utra OY in Finland
- Made from durable 300 series stainless steel
- Fully welded construction
- Black finish
- Adds approximately 147 mm to rifle length
- Diameter of approximately 45 mm
- Available with various internal thread options
- Supplied without muzzle brake
Specifications
- Calibre: .300 Win Mag / .338 Lapua Mag
- Weight: 570–590 g (.300/.338)
- Overall Length: 162 mm
- Added Length: 147 mm
- Diameter: 45 mm
- Sound Suppression: 30–33 dB
- Material: 300 series stainless steel
- Finish: Black
- Muzzle Brake: Not included
The ASE Utra SL7i combines a strong stainless steel construction with effective sound reduction in a compact package. For shooters looking for a .300 Win Mag moderator, .338 Lapua moderator, magnum sound moderator or ASE Utra sound moderator, the SL7i offers a proven design built for long-term use.

Reviews
There are no reviews yet.