A complete DeWalt kit with a big 4 Ah battery and a long runtime claim. Good for anyone starting on DeWalt 20V.
Amazon $249The DeWalt 20V MAX Grease Gun Kit DCGG571M1 is the better cordless grease gun overall, rated 3.4 to 2.9. The DeWalt 20V MAX Grease Gun Kit DCGG571M1 leads on flow, pressure and runtime. The Milwaukee M12 Grease Gun Kit 2446-21XC wins on warranty. The DeWalt 20V MAX Grease Gun Kit DCGG571M1 costs $20 less ($249 vs $269).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
A small 12 V kit for light automotive greasing. Heavy equipment owners should look at an 18 V gun.
Amazon $269Which should you buy?
- Choose the DeWalt 20V MAX Grease Gun Kit DCGG571M1 for flow (up to 5 oz/min vs up to 2.6 oz/min), pressure (10,000 psi maximum vs 8,000 psi maximum) and runtime (up to 16 cartridges per charge vs up to 7 cartridges per charge).
- Choose the Milwaukee M12 Grease Gun Kit 2446-21XC for warranty (5-year warranty vs 3-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every kits cordless grease gun; a clear win is highlighted. How we rank explains each one.
| Factor weight | DeWalt 20V MAX Grease Gun Kit DCGG571M1 | Milwaukee M12 Grease Gun Kit 2446-21XC |
|---|---|---|
| Overall rating | 3.4/5 | 2.9/5 |
| Value 25% | 43 $249, kit with battery and charger | 39 $269, kit with battery and charger |
| Flow 25% | 29 up to 5 oz/min | 0 up to 2.6 oz/min |
| Hose 15% | 80 42 in hose | 60 36 in hose |
| Pressure 10% | 100 10,000 psi maximum | 50 8,000 psi maximum |
| Runtime 10% | 55 up to 16 cartridges per charge | 10 up to 7 cartridges per charge |
| Warranty 15% | 50 3-year warranty | 100 5-year warranty |
Specifications
| DeWalt 20V MAX Grease Gun Kit DCGG571M1 | Milwaukee M12 Grease Gun Kit 2446-21XC | |
|---|---|---|
| Output | ||
| Top flow | 5 oz/min | 2.6 oz/min |
| Maximum pressure | 10,000 psi | 8,000 psi |
| Cartridges per charge | 16 | 7 |
| Hose length | 42 in | 36 in |
| Power | ||
| Battery system | DeWalt 20V MAX | Milwaukee M12 |
| Voltage | 20 V | 12 V |
| In the box | 1 x 4 Ah | 1 x 3 Ah |
| Features | ||
| Work light | Yes | - |
| Case or bag | - | Yes |
| Build | ||
| Weight | - | 8.2 lb |
| Warranty | 3 years | 5 years |
