MainStage- Gunbarrel

MainStage- Gunbarrel The premier third space for Gunbarrel, featuring small batch beers brewed onsite, premium wine, and the best hotdogs in Boulder County.
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MainStage’s mission is to build community by providing fantastic beer, great music, Great food, and a place for people to come together. MainStage Brewing is the creation of Sam Scruby and Eric Kean. With a passion for great beer, MainStage’s focus is on experience, music, and building community all while making sure a world-class beer and great food are close at hand.

We're jazzed for June!Here's what we've got going this month...
06/02/2026

We're jazzed for June!

Here's what we've got going this month...

If you're feeling a little tart today, we have the perfect beer for you.Our new Raspberry Blackberry Tart Ale is almost ...
06/02/2026

If you're feeling a little tart today, we have the perfect beer for you.

Our new Raspberry Blackberry Tart Ale is almost too good to be true.

This week in Boulder...Monday ~ Trivia NightEvery Monday we've got trivia starting at 6:30 PM. If you haven't tried our ...
06/01/2026

This week in Boulder...

Monday ~ Trivia Night
Every Monday we've got trivia starting at 6:30 PM. If you haven't tried our new hot dogs yet, tonight is the perfect night for it!

Tuesday ~ All Access Tuesday
Our Backstage Pass members know what's up.

Wednesday ~ Open Pick, Altura Street Eats Food Truck
Our pick is open to all. We'll get rolling at 5 PM!
Altura Street Eats will be here at 4 PM if you're hungry.

Thursday ~ Magic: The Gathering night
Play Magic: The Gathering? We host Commander night with open pods. Ready to learn? No worries.

Friday ~ Triple the Fun
We're open for lunch, plus we have Cell Phone Jail Happy Hour from 3 PM until 7 PM! Wade Johnston will be here for his art opening, too.

Saturday and Sunday ~ Weekend Vibes
The sun is shining and the beers are pouring.

Not only do we have an absolutely stacked draft list of our own beers, we carry a selection of canned non-beer beverages...
05/31/2026

Not only do we have an absolutely stacked draft list of our own beers, we carry a selection of canned non-beer beverages, too!

We love the Blackberry Botanical cider from St. Vrain Cidery. Local and delicious!

We've got something for everyone.

Crispy.Have you tried our Sunny & Cherr Cherry Lime Shandy?Our staff brewed this one together. Come give it a try!
05/30/2026

Crispy.

Have you tried our Sunny & Cherr Cherry Lime Shandy?

Our staff brewed this one together. Come give it a try!

HEY!Did you know we serve lunch every Friday? We open at 11 AM!Come try a hot dog and a cold draft beer.
05/29/2026

HEY!

Did you know we serve lunch every Friday? We open at 11 AM!

Come try a hot dog and a cold draft beer.

Pottery With a Purpose at Mainstage Brewing Gunbarrel - Register Today!Saturday, June 27th, 2026 ~ 2 PM - 4 PMJoin us fo...
05/28/2026

Pottery With a Purpose at Mainstage Brewing Gunbarrel - Register Today!

Saturday, June 27th, 2026 ~ 2 PM - 4 PM

Join us for Brews & Fun with a Purpose!

Pottery with a Purpose is bringing clay and creativity to Mainstage Brewing for a fun beginner-friendly pottery workshop. Guests can sip a drink, get a little messy, and learn the basics of hand-building while creating their own one-of-a-kind pottery piece. It’s the perfect excuse to slow down, laugh with friends and make something with your own two hands.

Not only are these workshops a great way to practice mindfulness & therapy, but every purchase also gives back. $1 from every ticket sold is donated to nonprofit organizations supporting mental health and community care.

FMI: www.potterywithapurpose. com

Magic: The Gathering, every Thursday at 6 PM. We're hosting Commander night with open pods and if you’re interested in l...
05/28/2026

Magic: The Gathering, every Thursday at 6 PM.

We're hosting Commander night with open pods and if you’re interested in learning, we can do that too!

We have a raffle every single Thursday with a variety of prizes! Every participant receives one ticket plus an additional ticket if you purchase a beer!

Just to sweeten the deal even more, we’ll have our $5 dice beer special.

See y’all here!


Come get pickin' with us tonight.The jam starts at 5 PM! Open to all. Plus, we'll have Altura Street Eats here starting ...
05/27/2026

Come get pickin' with us tonight.

The jam starts at 5 PM! Open to all.

Plus, we'll have Altura Street Eats here starting at 4 PM!

We've got a slight change of plans!Salomé Songbird will now be performing in Lyons from 5:30 PM until 8 PM on Sunday the...
05/26/2026

We've got a slight change of plans!

Salomé Songbird will now be performing in Lyons from 5:30 PM until 8 PM on Sunday the 31st!

It's a FREE show!

Salomé Songbird is a Colorado-based stringband sharing deeply personal music inspired by life experiences, cartoons, and nature.

See you in Lyons!

Address

6035 Longbow Drive Unit 9
Boulder, CO
80301

Opening Hours

Monday 3pm - 9pm
Tuesday 3pm - 9pm
Wednesday 3pm - 9pm
Thursday 3pm - 9pm
Friday 11am - 9pm
Saturday 3pm - 9pm
Sunday 1pm - 7pm

Telephone

+13035306981

Website

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