Bosch PROFACTOR 18V GSA18V-126 Reciprocating Saw
Reciprocating Saw
$279

Bosch

Bosch PROFACTOR 18V GSA18V-126 Reciprocating Saw

5(3 reviews across retail listings)

Bosch's current 18V flagship recip (it superseded the older GSA18V-125 Multi-Grip, which was pre-PROFACTOR). The GSA18V-126 pairs a BITURBO brushless motor with a 1-1/4 in stroke at up to 3,000 SPM, and layers on an electronics suite nobody else matches at this price: KickBack Control that halts the blade when it binds, adaptive speed control, end-of-cut detection, six speed settings, and a switchable orbital mode. Pro Tool Reviews scored it 9.3/10 and ranked it third of 11 saws tested.

Bare Tool
$279
Platform
Bosch 18V
Weight
10.25 lbs (with 8.0Ah battery)
Best for: Bosch 18V/AMPShare users who want a true flagship demo saw with modern electronic safety features and orbital-action wood-cutting speed

Specifications

Category
Reciprocating Saw
Battery Platform
Bosch 18V
Voltage
18V
Motor
Brushless
Model
GSA18V-126N
Weight
10.25 lbs (with 8.0Ah battery)
Released
2025
Stroke Length
1-1/4 in
Strokes/min
0-3,000 (6 speed settings)
Blade Change
Tool-free
Orbital
Yes (on/off switch)

Features

LED LightRafter HookOrbital Action

Pros

  • Genuinely fast — placed third of 11 saws in Pro Tool Reviews' head-to-head cutting tests (9.46 s clean wood, 3.62 s PVC), right behind the class leaders.
  • KickBack Control stops the blade the instant it detects binding — a real safety edge over rivals when a blade catches overhead or in pipe.
  • Switchable orbital action speeds up wood demolition, while inline mode keeps metal cuts smooth — plus six speed settings to match the material.
  • Dual vibration dampening system earns praise for low fatigue in extended demo sessions.
  • Adaptive speed control and end-of-cut detection tame the saw at cut breakthrough, reducing blade whip.
  • Tool-free quarter-turn blade release and an adjustable shoe make blade swaps and depth management quick.
  • Folding rafter hook and LED work light are standard.
  • 5-year warranty (with registration) is among the longest in the category, and it runs on any Bosch 18V/AMPShare pack.

Cons

  • No kit option in the US — bare tool only, so newcomers to Bosch 18V must buy CORE18V batteries and charger separately.
  • Needs high-output CORE18V (8.0Ah+) packs to unlock full BITURBO performance — older slim packs leave power on the table.
  • At 8.1 lbs bare / 10.25 lbs with an 8.0Ah battery, it's as heavy as some dual-battery 36V saws.
  • Street price of $279-$295 in mid-2026 is more than faster-selling rivals' bare tools.
  • Bosch's 18V ecosystem is much smaller at US home centers than DeWalt/Milwaukee/Makita, so batteries and deals are harder to find.
  • Very thin retailer review base (a handful of reviews at Lowe's) since its 2025 launch — long-term durability is unproven.
  • Electronics-heavy design (kickback, adaptive, end-of-cut sensors) is more that can go wrong out of warranty.
  • 18.5 in length is on the long side for between-stud and tight-quarters work.

Common Questions

What does KickBack Control do when a blade binds?
It stops the blade the instant the electronics detect binding — the scenario where a recip saw normally wrenches your arms, especially overhead or inside pipe. Combined with adaptive speed control and end-of-cut detection that tames blade whip at breakthrough, it's the most complete safety-electronics package in the category.
Which Bosch batteries does it need, and is there a kit?
It runs on any Bosch 18V/AMPShare pack, but the BITURBO motor only reaches full output on high-output CORE18V batteries — 8.0Ah or larger. There's no US kit option, so newcomers to the platform must buy batteries and a charger separately, which makes it an awkward first Bosch tool.
Does the orbital action make a real difference?
Yes — switch it on and wood demolition speeds up noticeably; switch it off and metal cuts stay smooth. With six speed settings on top, it's one of the most configurable recips sold, and Pro Tool Reviews clocked it third of eleven saws in head-to-head cutting tests (9.46 s in clean wood, 3.62 s in PVC).
How heavy is it in actual use?
Substantial — 8.1 lbs bare and 10.25 lbs with the 8.0Ah battery it wants, which is dual-battery-36V-saw territory, and the 18.5 in length is long for between-stud work. The dual vibration dampening system partly makes up for it, earning praise for low fatigue in extended demo sessions.
Is the warranty good, given all the electronics aboard?
Five years with registration, among the longest in the category — worth having since the kickback, adaptive-speed, and end-of-cut sensors are more that could theoretically fail out of warranty. Long-term durability data is thin because the saw only launched in 2025, so registering promptly is the smart hedge.

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