MSR TrailShot vs Platypus GravityWorks 4L

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

MSR TrailShot is the lighter option — 22 g lighter than the Platypus GravityWorks 4L (13% less weight). If grams matter to you, that is the one to beat.

Spec	MSR TrailShot	Platypus GravityWorks 4L
Weight	141 g · 0.141 kg · 0.31 lb	163 g · 0.163 kg · 0.36 lb
Brand	MSR	Platypus
Category	Hygiene	Hygiene

MSR TrailShot

141 g

Pocket-sized squeezable water filter. Fast flow rate.

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Platypus GravityWorks 4L

163 g

Gravity-fed water filter system for camp use.

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MSR TrailShot vs Platypus GravityWorks 4L: which should you buy?

If saving weight is your priority, the MSR TrailShot wins — at 141 g it is 22 g (13%) lighter than the Platypus GravityWorks 4L (163 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 hygiene page, or browse the full gear weight database.

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