ASE Utra SL7 BoreLock

ASE Utra


Out of stock

Please email first to confirm thread and availability

Note; Not supplied with Muzzle Brake. for Muzzle brakes click here.


The Ase Utra S series SL7-BL is a fast attaching suppressor intented for assault and sniper rifles from 7.62 mm NATO up to.338 Lapua Mag.

The S series SL7-BL suppressors are mounted with a Ase Utra BoreLock flash hider mount or muzzle brake mount.

Manufactured in Finland by Ase Utra Oy, the SL7-BL suppressors are manufactured with a combination of black steel and 300 series stainless steel and are assembled by welding.*

Various BoreLock muzzle brake mounts are available, to adapt the suppressor to a multitude of weapons, without permanent modifications to them.

ยป BoreLock combatibility chart

Suppressor and flash hider / muzzle brake product code chart

* The BoreLock mount interface is black steel and the body of the suppressors is 300 series stainless steel.


The S series SL7-BL suppressors reduce the sound pressure level of a 7.62 mm NATO calibre rifle by c. 31-33 dB (A) ( 1m left of the muzzle ).

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


Calibres Infocompatibility chart
S series SL7-BL .30

all .30 calibres
S series SL7-BL .338
.338 Win Mag,
.338 Lapua Mag
(Depending on thread type)
S series SL7-BL .30 585 g
S series SL7-BL .338 650 g
Diameter 45 mm
Overall length of
176-181 mm
Added length to weapon 131 mm
Net sound suppresssion
(1m left of the muzzle, .308 Win)
(shooters ear, .308 Win)
31-33 dB(A)
27-30 dB(A)
(1m left of the muzzle,
.338 Lapua Mag)
(shooters ear, .338 Lapua Mag)
25+ dB (A)
34+ dB (A)
Warranty 2 years

SKU: 10013 TAG: ASE Utra

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