Ase Utra SL Series SL7 Suppressors (NOT FOR SALE TO THE PUBLIC)

Ase Utra Oy


Ase Utra SL Series SL7 Suppressors

The Ase Utra S series SL7 sound suppressors are available invarious calibres, from .308 Win up to 9.3x66.

SL7 suppressors are updated and lightened variants of the earlier S7 suppressor.

Manufactured in Finland by Ase Utra OY, the S series SL7 suppressors are manufactured out of 300 series stainless steel and are assembled by welding.

The S series is a good option for those who are seeking maximum sound suppression levels on .308 Win calibre for example.

S series SL7 suppressors have a strong construction and are built for a long service life.

The S series SL7 suppressor adds only 144 mm to the length of the weapon, with the diameter being 45 mm.

S series SL7 suppressors are available with a varietyof internal threads to fit directly onto the rifle barrel. 

Standard threads include for example M14x1, M15x1, M17x1, M18x1, _"x20 UNF to fit most current centrefire rifles.

Australian Laws limit the sale of suppressors (silencers). Please contact us if you are a government user or have a Special Permit (Silencers).


The S series SL5 suppressors reduce the weapon sound pressure level by 25-33 dB (depending on calibre, ammuntion type, measurement location). 

The S series SL7 suppressors also reduce recoil and muzzle flash significantly.

Rifles tested with the S series SL7 suppressors,comply with the latest personal exposure limit set by the European Directive2003/10/EC (140 Pa tai 137 dB (C)).


Calibres Compatibility Chart
S series SL7 .30 all .30 calibres
S series SL7 .338 .338 Win Mag, .338 Lapua Mag, 9.3x62, 9.3x66
Weight (Depending on thread type)
S series SL7 .30 530-550 g
S series SL7 .338 590-610 g
Diameter 45 mm
Overall length of suppressor 159-171 mm
(depending on thread type)
Added Length to Weapon 144 mm
Net Sound Suppression
(1m left of the muzzle, .308 Win) 30-33 dB(A)
(Shooters Ear, .308) 26-28 dB(A)
Warranty 2 Years


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