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 feature a robust construction and they 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, ½"x20 UNF to fit most current centrefire rifles.
Other threads are aThe Ase Utra S series SL7 sound suppressors are available invarious calibres, from .308 Win up to 9.3x66.lso available.
Calibres
S series SL7 .30 - all .30 calibres
Weight (depending on thread type) - 530-550 g
Diameter - 45 mm
Overall length of suppressor (depending on thread type) - 159-171 mm
Added length to weapon - 144 mm
Finish – CeraKote
Net sound suppresssion
(1m left of the muzzle, .308 WIn) - 30-33 dB(A)
(shooters ear, .308) - 26-28 dB(A)