Milwaukee
Milwaukee M18 FUEL SAWZALL Reciprocating Saw 2821-20
$249
Released 2020-11
Best Reciprocating Saws · head-to-head
Milwaukee M18 FUEL SAWZALL Reciprocating Saw 2821-20 vs Ryobi ONE+ 18V Cordless Reciprocating Saw P519
A sourced, side-by-side comparison. Ryobi ONE+ 18V Cordless Reciprocating Saw P519 is cheaper at $39.50. Every spec and price links to its source.
Ryobi
Ryobi ONE+ 18V Cordless Reciprocating Saw P519
$39.50Cheaper
Which is better: the Milwaukee M18 FUEL SAWZALL Reciprocating Saw 2821-20 or Ryobi ONE+ 18V Cordless Reciprocating Saw P519?
The Ryobi ONE+ 18V Cordless Reciprocating Saw P519 wins 1 of the 1 specs we compare head to head; the other wins 0. The Ryobi ONE+ 18V Cordless Reciprocating Saw P519 is the cheaper at $39.50. The Ryobi ONE+ 18V Cordless Reciprocating Saw P519 both leads on specs and costs less — the straightforward pick.
See Milwaukee M18 FUEL SAWZALL Reciprocating Saw 2821-20 on Amazon See Ryobi ONE+ 18V Cordless Reciprocating Saw P519 on Amazon
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec |  Milwaukee M18 FUEL SAWZALL Reciprocating Saw 2821-20 |  Ryobi ONE+ 18V Cordless Reciprocating Saw P519 |
|---|---|---|
| US price | $249 | $39.50 |
| Brand | Milwaukee | Ryobi |
| Released | 2020-11 | — |
| Power source | cordless | cordless |
| Amps or voltage | 18 V | 18 V |
| Strokes per min max | 3000 | 3400 |
| Stroke length (in) | 1.25 in | 1.0 in |
| Orbital action | No | — |
| Tool less blade change | Yes | Yes |
| Brushless | Yes | No |
| Weight (lb) | 6.8 | 3.75 |
| Release | 2020 | — |
Sources — Milwaukee M18 FUEL SAWZALL Reciprocating Saw 2821-20: milwaukeetool.com (verified 2026-06-20). Ryobi ONE+ 18V Cordless Reciprocating Saw P519: ryobitools.com (verified 2026-11-05).
What's the difference between the Milwaukee M18 FUEL SAWZALL Reciprocating Saw 2821-20 and Ryobi ONE+ 18V Cordless Reciprocating Saw P519?
Where the two actually differ on the specs we track (4 of 8). Matching specs are omitted.
- Strokes per min max: Milwaukee M18 FUEL SAWZALL Reciprocating Saw 2821-20 3000 vs Ryobi ONE+ 18V Cordless Reciprocating Saw P519 3400
- Stroke length (in): Milwaukee M18 FUEL SAWZALL Reciprocating Saw 2821-20 1.25 in vs Ryobi ONE+ 18V Cordless Reciprocating Saw P519 1.0 in
- Brushless: Milwaukee M18 FUEL SAWZALL Reciprocating Saw 2821-20 true vs Ryobi ONE+ 18V Cordless Reciprocating Saw P519 false
- Weight (lb): Milwaukee M18 FUEL SAWZALL Reciprocating Saw 2821-20 6.8 vs Ryobi ONE+ 18V Cordless Reciprocating Saw P519 3.75