The Ase Utra S series SL5 sound suppressors are available in various calibres, from .222 Rem up to .30-06 Spr calibre.
SL5 suppressors are updated and lightened variants of the earlier S5 suppressor.
Manufactured in Finland by Ase Utra Ltd, the S series SL5 suppressors are manufactured out of 300 series stainless steel and are assembled by welding.
S series SL5 suppressors have a strong construction and are built for a long service life.
The S series SL5 suppressor adds only 98 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 to fit most current centrefire rifles.
The S series SL5 suppressors reduce the weapon sound pressure level by 22-30 dB (depending on calibre, ammuntion type, measurement location).
The S series SL5 suppressors also reduce recoil and muzzle flash significantly.
Rifles tested with the AU S series suppressors, complywith the latest personal exposure limit set by the European Directive 2003/10/EC (140 Pa tai 137 dB (C)).