Description
Nosler took their popular SR-30ALTi, chopped two inches off the length, shaved two ounces of weight, and ended up with the SR-30K. The K stands for kurz, the German word for short, and that pretty much tells you the whole design philosophy. At 5.834 inches long and 7.2 ounces, this is a .30 caliber can built for people who carry their rifle a lot more than they shoot it, which describes just about every hunter we know.
Why the SR-30K ALTi Stays So Light
The construction here is smart. The blast chamber and first baffle, the parts that take the real abuse, are titanium. The rest of the body and baffle stack is aluminum, which is where the weight savings come from. The blast chamber is also the serialized component, so if you ever have a baffle strike, Nosler can turn around a repair quickly instead of you starting over from scratch. The proprietary baffle stack squeezes around 21 decibels of average reduction out of a package this size, which is solid work for a compact can.
Mounting the SR-30K on Your Rifle
The SR-30K uses the same attachment system as the rest of Nosler's suppressor line, so you can run it direct thread on a 5/8×24 muzzle with the included adapter or mount it over a compatible brake. It handles popular .30 caliber cartridges like .308 Winchester, .300 Blackout, and 7.62×39, and it works great on smaller bores too if you want one can for a few rifles.
Where the SR-30K ALTi Really Shines
A short can changes how a rifle feels. On a 22 or 24 inch barrel, a full-length suppressor can make a hunting rifle awkward in a blind, a treestand, or thick timber. The SR-30K keeps the overall package manageable and the balance point where it belongs, so offhand shots still feel natural. If your priorities are weight, length, and a quiet muzzle in that order, this one deserves a hard look.
Key Specifications
- Manufacturer: Nosler
- Model: SR-30K ALTi
- Manufacturer Part Number: 90664
- UPC: 054041906647
- Caliber: .30 Caliber / 7.62mm (rated for .17 to .308)
- Thread Pitch: 5/8×24
- Weight: 7.2 oz
- Length: 5.834 in
- Diameter: 1.740 in
- Construction: Titanium blast chamber and first baffle, aluminum body
- Average Decibel Reduction: 21 dB
- Mounting: Direct thread or over-brake compatible
- Finish: Black
- Shipping Weight: 1.1 lbs
What’s Included
- Nosler SR-30K ALTi suppressor
- Direct thread adapter (5/8×24)
Frequently Asked Questions
What calibers can I shoot through the Nosler SR-30K ALTi?
The SR-30K is built for .30 caliber platforms and handles popular cartridges like .308 Winchester, .300 Blackout, and 7.62×39. It is rated for bores from .17 up to .308, so you can use it across multiple rifles in your safe. Just keep in mind it is designed for standard-pressure cartridges and hunting-style shooting.
How does the SR-30K compare to the full-size SR-30ALTi?
The SR-30K is two inches shorter and two ounces lighter than the SR-30ALTi, coming in at 5.834 inches and 7.2 ounces. You give up a little sound reduction compared to the full-size can, but you gain a lot in handling and balance, especially on rifles with longer barrels. For most hunting situations, that trade is well worth it.
Can the SR-30K handle rapid fire or full auto?
No, this can is built light on purpose using aluminum and titanium, so it is not rated for long shot strings or full auto fire. Nosler recommends letting it cool between strings to keep it running for the long haul. If you need a harder-use can, Nosler's all-titanium Ti series is the better pick.
How does the Nosler SR-30K attach to my rifle?
It uses the same attachment system as the rest of Nosler's suppressor line. You can direct thread it onto a 5/8×24 muzzle with the included adapter or mount it over a compatible brake. If your barrel is not threaded, most gunsmiths can handle that quickly.





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