Brewery Profile

MainStage Brewing - Gunbarrel

In Boulder’s long-running craft beer scene, the Gunbarrel outpost adds a neighborhood-focused taproom tied to MainStage Brewing’s broader identity of beer, live music, and community gathering. A visitor walking in should expect the beer to be the center of the visit, with the space presented as a place for conversation, local connection, and possible music-related programming rather than just a quick pour. Because this is the Gunbarrel location rather than the original Lyons site, it is best understood on its own terms: a newer Boulder presence intended as a hub for brewing activity and for people meeting up in the neighborhood.

Travelers coming through Boulder and the Front Range often look for brewery stops that reflect the area’s mix of outdoor recreation, casual taproom culture, and small local businesses. MainStage Brewing - Gunbarrel fits that pattern as a stop after time on nearby trails, a low-key meet-up point, or part of a wider Boulder-area brewery itinerary. The known connection to MainStage’s Lyons location may be useful for visitors who already associate the brand with a lively patio, pizza, and music, but those specific Lyons features should not be assumed to define the Gunbarrel experience. Here, the draw is the chance to see how the brewery’s beer program and gathering-focused approach take shape in Boulder’s Gunbarrel neighborhood.

For practical planning, check the brewery directly before visiting for current hours, events, food options, and whether live music is scheduled on a given day. The taproom is the place to confirm the day’s pours, since specific beer names, styles, and rotating releases are not available from the provided information. Visitors should also verify any amenities they consider essential, such as outdoor seating, reservations, family policies, or food service, rather than assuming they match the Lyons location. As with many Boulder-area brewery visits, the simplest approach is to treat it as a taproom stop: arrive with time to look over the board, ask staff what is pouring, and decide whether the current atmosphere fits a quick beer, a longer hangout, or a meet-up with friends.

MainStage Brewing is bringing its signature blend of world-class brews, live music, and community spirit to the Gunbarrel neighborhood of Boulder. While their original Lyons location is famous for its lively patio and acclaimed pizzas, the new Gunbarrel space promises to be a dedicated hub for brewing innovation and gathering. Stop in to experience their passion for great beer paired with an atmosphere centered around good vibes and local connection.

Website available

6035 Longbow Dr unit 109, Boulder, CO 80301, USA, Boulder, Colorado, 80301

Phone: (303) 823-2331

Website: https://www.mainstagebrewing.com/

Hours: M-SAT - 11AM - 9PM Sun- 11Am - 8pm