The Ase Utra S series SL5i sound suppressors are available in various calibres, from .222 Rem up to 8 mm calibre.
SL5i suppressors are updated and lightened variants of the earlier SL5 suppressor.
Manufactured in Finland by Ase Utra Ltd, the S series SL5i suppressors are manufactured out of 300 series stainless steel and are assembled by welding.
S series SL5i suppressors feature a robust construction and they are built for a long service life.
The S series SL5i suppressor adds only 103 mm to the length of the weapon, the diameter being 44.5 mm.
S series SL5 suppressors are available with a variety of internal threads to fit directly onto the rifle barrel.
Standard threads include for example M14x1, M15x1, M17x1, M18x1, ½"x20 UNF and 5/8"x24 UNEF to fit most current centrefire rifles.
Other threads are also available.
The S series SL5i suppressors reduce the weapon sound pressure level by 22-30 dB (depending on calibre, ammuntion type, measurement location).
The S series SL5i suppressors also reduce recoil and muzzle flash significantly.
Rifles tested with the SL series suppressors, comply with the latest personal exposure limit set by the European Directive 2003/10/EC (140 Pa tai 137 dB (C)).
|S series SL5i .223||all .22 centrefire calibres|
|S series SL5i .25||.243 Win, 6.5x55 SE ( max.
bullet diameter of 6.7 mm )
|S series SL5i .30||all .30 non-magnum calibres|
|S series SL5i 8 mm||8x57 IS|
(Depending on calibre and thread type)
|Overall length of suppressor||118 mm ( no spigot thread )|
|Added length to weapon||103 mm|
|Finish||Blasted stainless or CeraKote|
Net sound suppresssion
(1m left of the muzzle, .308 WIn)
(shooters ear, .308 Win)