Rankquant
MethodologyAbout

Sports & Outdoors

Magnesium Fire Starter - Ultra Compact Pen-Sized Firestarter with Flint & Striker - Must-Have in Emergency Zombie Survival Gear Kit - 5,500°F Hot Spark [Premium Gift-Ready Packaging]

Sports & Outdoors4.4· 3,700 Amazon ratings

Bias-adjusted across 3,700 Amazon ratings, Bayesian-shrunk to the category prior so the headline score reflects relative quality — not a raw star average. Cohort: Sports & Outdoors.

72.7%
Percentile · Global
67.3%
Percentile · Cohort
Sports & Outdoors
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Magnesium Fire Starter - Ultra Compact Pen-Sized Firestarter with Flint & Striker - Must-Have in Emergency Zombie Survival Gear Kit - 5,500°F Hot Spark [Premium Gift-Ready Packaging]

How the score was built

Amazon ratings
3,700

used for the Bayesian percentile

Raw star average
4.4 / 5

unadjusted Amazon mean

Bayesian avg
4.40

raw rating shrunk to the category prior

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Same category · Sports & Outdoors

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