MSR TrailShot.
Handheld squeeze-pump hybrid that filters directly from the source into any bottle. The ultralight option for fast-and-light day hikers and trail runners.

The Verdict.
Gavler Meta-Score
“The fastest source-to-mouth filter experience. One-handed operation from any water source, no pouches required. Best for day hikes and weekend trips. Shorter filter life limits thru-hike viability.”
The Gavler Verdict
Precision Engineering
One-Handed Operation
Dip, pump, drink — no pouches to fill, no bottles to screw on.
Flexible Intake Hose
Reaches into shallow puddles and narrow streams that pouches can't access.
5.2 oz
Compact handheld design that clips to a pack strap for instant access.
Technical Specifications
The Scoreboard
Best user experience for fast-and-light use. Deducted for shorter filter life and lower flow rate vs. dedicated squeeze filters.
Cast Your Vote
Do you think MSR TrailShot deserves the #7 spot in Best Water Filters & Purifiers?
Best Price Availability.
Prices checked April 2026
Price History
Lowest price in 30 days30-Day Low
$49.95
30-Day High
$49.95
Current
$49.95
Tracked daily across retailers. Vote Want itabove and we’ll alert you the moment the price drops.
Global Critique
“The TrailShot is the fastest way to get filtered water from source to mouth.”
“Best filter for trail runners and fast-and-light day hikers.”
“One-handed operation from any water source — the convenience factor is real.”
“MSR positions the TrailShot as a fast-and-light option rather than a thru-hike workhorse — and the positioning is correct.”
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