NS-3S / .30cal / 1/2"x 20 UNF, NorthStar Stainless Steel Over Barrel Sound Moderator
DESCRIPTION
The Ase Utra NorthStar NS-3S suppressors are robust and effective suppressors designed for centre fire calibre rifles up .30-06 Spr calibre.
Manufactured in Finland by Ase Utra Oy, the NorthStar NS-3S suppressors are manufactured out of 300 series stainless steel and are assembled by welding.
The NorthStar NS-3S suppressors add 660-700 grams netweight and only 100 mm net length to a typical rifle – and with a max. diameter of 47.5 mm.
The NorthStar NS-3S suppressors are available with avariety of internal threads to fit directly onto the rifle barrel. Standard threads include; M14x1, M17x1,M18x1, ½"x20 UNF, to fit most current centrefire rifles.
PERFORMANCE
The NorthStar NS-3S suppressors reduce the weapon sound pressure level by 22-26 dB (depending on calibre and measurement location ), and significantly reduces recoil and muzzle flash.
All standard rifles tested with the NorthStar NS-3Ssuppressors comply with the latest personal noise exposure limit set by European Directive 2003/10/EC (140 Pa or137 dB©).
SPECIFICATIONS
Northstar NS-3B .25
|
.222-6.5x55 SE
(max bullet diameter of 6.7 mm) |
Northstar NS-3B .30
|
all .30 non-magnum calibres
|
Northstar NS-3B 9.3
|
.338 Win Mag, 9.3x62, 9.3x66
|
Weight
(Depending on calibre and thread type) |
660-700 g
|
Diameter
|
47,5 mm |
Overall length of suppressor
|
198 mm |
Added length to weapon
|
100 mm |
Net sound suppression
|
|
(1m left of the muzzle, .308 Win)
(shooters ear, .308 Win) |
25-26 dB(A)
22-24 dB(A) |
(1m left of the muzzle, 9.3x62)
(shooters ear, 9.3x562) |
22-24 dB(A)
22-23 dB(A) |
Warranty
|
2 years |
COMPATIBILITY CHART
Calibre |
Northstar NS-3B /
NS-3S .25 |
Northstar NS-3B /
NS-3S .30 |
Northstar NS-3B 9.3 |
204 Ruger |
o |
|
|
222 Rem |
* |
|
|
223 Rem |
* |
|
|
22-250 Rem |
* |
|
|
243 Win |
* |
o |
|
260 Rem |
* |
o |
|
7MM-08 Rem |
no |
o |
|
308 Win |
no |
* |
o |
338 Federal |
no |
no |
* |
25-06 Rem |
* |
o |
|
6.5X55 SE |
* |
o |
|
270 Win |
no |
* |
|
7X64 |
no |
* |
|
30-06 Sprg |
no |
* |
o |
9.3X62 |
no |
no |
* |
9.3X66 SAKO |
no |
no |
* |
7 mm Rem Mag |
no |
no |
|
300 Win Mag |
no |
no |
|
338 Win Mag |
no |
no |
* |
.338 Lapua Mag |
no |
no |
no |
.375 H&H Mag |
no |
no |
no |
* - Recommended
o - Reasonable to use (Suppressors can be used on these calibres, however the bullet channelis oversized compared to the calibre, possibly affecting suppressorperformance. Also the suppressor may be too short when compared to the power of the calibre.)