SKU: 67006

Cosmic Series

Sale price$49.99
Back In Stock Soon

We're excited to announce the upcoming launch of our Cosmic Series elk calls, set to debut in 2025. But for the dedicated elk hunters out there, we're offering a very limited quantity available for purchase this season! Each call comes with a premium leather lanyard, ensuring you're ready to hit the elk woods in style. This is the next step up from the rebel series and will compliment your arsenal this September. Hand crafted by Beau Brooks these calls are something you will not want to miss out on.

Our Cosmic Series features three distinct calls, Comet, RS2 and Elkasus, each engineered to elevate your elk hunting experience to the next level.

Don't miss your chance to own a piece of the Cosmic Series before it officially launches next year. With limited quantities available, these calls are sure to sell out fast. Get yours now and take your elk calling game to the next level!

Order now and be one of the few to experience the power of the Cosmic Series in the field this season.

WarningWARNING: Cancer and Reproductive Harm: Prop 65

RS2:
Meet the big brother of our popular RS1 call. The RS2 is all about consistency, durability, and a wide variety of range. Its precision cut adds resistance and volume, while the reactive latex ensures your calls are spot-on every time. Built to last, the RS2 is your reliable companion in the elk woods.

Professional Grade Size

COMET:
Crafted to be durable and unbreakable, the COMET call is designed for hunters who demand versatility and strength. Whether you're aiming for the highest bugles or deep resonant tones, this call delivers with precision. The addition of heavier latex ensures longevity, so you can trust it to perform season after season.

ELKASUS:
Smooth and refined, the ELKASUS call is perfect for creating realistic cow sounds. We've reinforced it with a heavier latex for durability without sacrificing the full range of cow and calf vocalizations. Whether you're mewing or delivering an estrus buzz, this call has the backbone to stand the test of time.

"I built these calls to parallel our Rebel Series. While the Rebel Series takes very little air and is easy to use, I wanted to make the Cosmic Series something you can't max out. Heavier latex and strategic cuts make these calls next-level for all elk callers."

Beau Brooks--World Elk Calling Champion

Elk Vocalizations

ELK VOCALIZATIONS

Light Bugles, Full Range of Cow Sounds

Mouth Call

Frame Style

Domed

Elk Footprint

Elky

Tastes Like Elk

Tonal Range

Calling Hacks

Cosmic Series Sound File

Light Bugles, Full Range of Cow Sounds

Listen Now

Customer Reviews

Based on 5 reviews
60%
(3)
40%
(2)
0%
(0)
0%
(0)
0%
(0)
T
TJ Briggs
Best diaphragms yet

I made the switch to riven this summer, the RS1 being my go to. I went through a few of them getting ready for the season and wished they were just a little stiffer something similar to the black ice but with the dome. For me the RS2 in the cosmic series is just that! Love every one of these diaphragms in the cosmic series

M
Michael

Good quality. Love the pouch.

B
Bryan Gill
Best calls on the market

Have tossed all other brands out.
Got the Rs1 at sportsman's a few months back, since then have gotten one of every diaphragm and two extra rs1s. Saw the cosmic in tiktok and got them as soon as I could, The comet and the RS2 are my favorites and I will continue to buy them in the future, sadly the Elkasus has a blemish on the latex and the latex is kind of loose so I have yet to be able to really try it out, but a customer for life either way

A
Alex
Impressive volume

Overall good calls, all of these produce alot of volume with very little pressure. With high pressure on the top end I did struggle with two of the calls cracking over with my location buggles. Very easy to articulate different sounds at low and high volumes with cow calls and buggles. These calls definitely feel different and took some getting use to with the wider profile compared to Phelps or Rocky Mountain game calls.

R
Richard L.
Incredibly impressed

Best reeds I have ever used. These are now number one in my Arsenal and always will be. All of your elk calls are amazing. Very big fan

Anatomy of a Diaphram Call

What's your calling style?

Mouth Call Selector

Use the chart below to select the correct mouth call based on your calling style and needs. Hunt Riven™

*
HAS DOME
ELK VOCALIZATIONS
TONAL RANGE
BLACK ICE

No

Bugling, Chuckling and Screams

Low, Medium and High

RS1

Yes

Bull Sounds, Cow and Calf Vocalizations

Low to Medium

ROSIE

Yes

Cow and Calf Cries

Low and High

SINGLE LADY

No

Cow and Calf Cries. Estrus “Whines” or “Cries”

Superior Tonal Range

STRATUM

No

Bull, Cow and Calf Vocalizations

Low, Medium and High

TREMOR

Yes

Bugling, Chuckling and Screams. Cow & Calf Sounds

Low, Medium and High

Mouth Call Care

When it comes to mouth calls, their life span is known to be short, but they can have the ability to last with proper care. The key is how you take care of them. There are multiple ways to care for your mouth call. We recommend the following tactics to help prolong the life of your calls.

  • Keep them out of the Sun
  • Store in refrigerator, especially in the off-season.
  • Avoid areas with high exposure to heat such as glove box or center console
  • Utilize multiple calls to disperse stress

    UV rays might be one of the harshest elements when it comes to a mouth calls lifespan. Exposing your mouth call to UV can vaporize the latex and cause it to break down 10x faster than normal wear and tear. We recommend you DO NOT store your mouth calls in areas such as:
  • On the dash of the truck
  • On a table or windowsill
  • Any areas with high exposure to heat