MSR Reactor 1.0L vs Primus Campfire Stove

Weight and specs compared for 2026 — and which one to choose.

Primus Campfire Stove is the lighter option — 7 g lighter than the MSR Reactor 1.0L (2% less weight). If grams matter to you, that is the one to beat.

Spec	MSR Reactor 1.0L	Primus Campfire Stove
Weight	397 g · 0.397 kg · 0.88 lb	390 g · 0.390 kg · 0.86 lb
Brand	MSR	Primus
Category	Cooking	Cooking

MSR Reactor 1.0L

397 g

High-output all-in-one stove system for harsh conditions.

Full details →

Primus Campfire Stove

390 g

Stable canister stove ideal for cooking larger meals.

Full details →

MSR Reactor 1.0L vs Primus Campfire Stove: which should you buy?

If saving weight is your priority, the Primus Campfire Stove wins — at 390 g it is 7 g (2%) lighter than the MSR Reactor 1.0L (397 g). That said, the heavier option may justify the extra grams with more capacity, durability or comfort, so weigh the trade-off against how you'll use it.

See where both rank against everything else in this category on the lightest cooking page, or browse the full gear weight database.

More cooking comparisons

MSR Reactor 1.0L vs Sea to Summit Alpha Light Spork MSR Reactor 1.0L vs Keith Ti Spork MSR Reactor 1.0L vs UCO Spork MSR Reactor 1.0L vs BRS 3000T Ultralight Titanium Stove MSR Reactor 1.0L vs BRS 3000T Ultra-Light Titanium Stove MSR Reactor 1.0L vs BRS-3000T Ultra Light Stove