Reactor® Stove System

Reactor® Stove System

MSR

$269.95

The Reactor® Stove System is fast and fuel efficient and delivers in the cold and wind of the mountains. Note, all systems Include: Reactor Pot and Stove, BPA-Free Strainer Lid, PackTowl® Pot Protector, and folding/locking handle.

1.0L System (15.3oz): For trips with 1-2 people, or anywhere weight and space are at a premium.

1.7L System (
1lbs 2oz): All-around performer with the capacity to boil water and melt snow fast for two or more.

2.5L System (1lbs 5oz):  Boils enough for five freeze dried meals at once, or make it an expedition snow-melting powerhouse for 2-3 people.

These test results give an indication of its performance in the field (simply put, you’ll burn less fuel, carry less fuel, and move faster). That peformance aligned with MSR’s proven quality and durability, make the Reactor® a good choice as the stove you will want to take with you on your course.
  • Integrated System: State-of-the-art stove and high-efficiency cookware are combined into a compact, self-contained and easy-to-use system.
  • Unrivaled Boil Time: Outperforms the competition in head-to-head lab tests—boiling .5 liter of water in just 1.5 minutes—with an even greater advantage out in the real world.
  • Unmatched Wind Protection: Heat exchanger completely encloses radiant burner head, virtually eliminating the effects of wind to maintain outstanding boil times and save fuel.
  • Maximum Efficiency: Patent-pending radiant burner, heat exchanger and internal pressure regulator produce best-in-class, fuel-sipping efficiency in all conditions.
  • Compact: All systems are self-contained, fitting the stove and fuel inside the pot. 

Description

The Reactor® Stove System is fast and fuel efficient and delivers in the cold and wind of the mountains. Note, all systems Include: Reactor Pot and Stove, BPA-Free Strainer Lid, PackTowl® Pot Protector, and folding/locking handle.

1.0L System (15.3oz): For trips with 1-2 people, or anywhere weight and space are at a premium.

1.7L System (1lbs 2oz): All-around performer with the capacity to boil water and melt snow fast for two or more.

2.5L System (1lbs 5oz):  Boils enough for five freeze dried meals at once, or make it an expedition snow-melting powerhouse for 2-3 people.

These test results give an indication of its performance in the field (simply put, you’ll burn less fuel, carry less fuel, and move faster). That peformance aligned with MSR’s proven quality and durability, make the Reactor® a good choice as the stove you will want to take with you on your course.

  • Integrated System: State-of-the-art stove and high-efficiency cookware are combined into a compact, self-contained and easy-to-use system.
  • Unrivaled Boil Time: Outperforms the competition in head-to-head lab tests—boiling .5 liter of water in just 1.5 minutes—with an even greater advantage out in the real world.
  • Unmatched Wind Protection: Heat exchanger completely encloses radiant burner head, virtually eliminating the effects of wind to maintain outstanding boil times and save fuel.
  • Maximum Efficiency: Patent-pending radiant burner, heat exchanger and internal pressure regulator produce best-in-class, fuel-sipping efficiency in all conditions.
  • Compact: All systems are self-contained, fitting the stove and fuel inside the pot. 

Additional information

Variant

1.0L System, 1.7L System, 2.5L System

ALPINE ASCENTS BLOG

  • Training for Denali Webinar

    If Denali is on your horizon, it’s time to get serious about training. Join world-renowned alpinist, Uphill Athlete founder, and co-author of Training for the Uphill Athlete, Steve House for a deep dive into what it truly takes to prepare for North America’s highest peak. In this session, Steve breaks down the key principles behind […]

  • Cascades Conditions Report 9/3/2026

    Hello climbers, It felt like the switch to fall happened in the mountains this week!  Cool temperatures and precipitation have returned to the mountains.  New snow returned to mid and upper elevations over the last couple days, and a handful of inches is expected over the next few days and leading into the weekend as […]

  • Cascades Conditions Report 8/19/2026

    Hello climbers, Conditions continue to stay phenomenal around the mountains in Washington. Smoke forecasts look really good throughout the rest of the week and into weekend. We are starting to see some mid to late August weather patterns start to creep in, with blip of cooler temperatures and light precipitation working its way into the […]

Partners & Accreditations

Alpine Ascents International is an authorized mountain guide service of Denali National Park and Preserve and Mount Rainier National Park.
© Copyright 2026 All Rights Reserved. Alpine Ascents International