DeWalt 20V MAX Grease Gun Kit DCGG571M1 vs Milwaukee M12 Grease Gun Kit 2446-21XC

Last updated: November 9, 2026

The 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.

DeWalt 20V MAX Grease Gun Kit DCGG571M1 vs Milwaukee M12 Grease Gun Kit 2446-21XC

Which should you buy?

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 weightDeWalt 20V MAX Grease Gun Kit DCGG571M1Milwaukee M12 Grease Gun Kit 2446-21XC
Overall rating3.4/52.9/5
Value 25%43 $249, kit with battery and charger39 $269, kit with battery and charger
Flow 25%29 up to 5 oz/min0 up to 2.6 oz/min
Hose 15%80 42 in hose60 36 in hose
Pressure 10%100 10,000 psi maximum50 8,000 psi maximum
Runtime 10%55 up to 16 cartridges per charge10 up to 7 cartridges per charge
Warranty 15%50 3-year warranty100 5-year warranty

Specifications

DeWalt 20V MAX Grease Gun Kit DCGG571M1Milwaukee M12 Grease Gun Kit 2446-21XC
Output
Top flow5 oz/min2.6 oz/min
Maximum pressure10,000 psi8,000 psi
Cartridges per charge167
Hose length42 in36 in
Power
Battery systemDeWalt 20V MAXMilwaukee M12
Voltage20 V12 V
In the box1 x 4 Ah1 x 3 Ah
Features
Work lightYes-
Case or bag-Yes
Build
Weight-8.2 lb
Warranty3 years5 years

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