Milwaukee M18 2-Speed Grease Gun Kit vs Seesii GR05 Ultra 6-Speed Grease Gun Kit

Last updated: November 9, 2026

The Milwaukee M18 2-Speed Grease Gun Kit and the Seesii GR05 Ultra 6-Speed Grease Gun Kit are evenly matched, rated 4.2 and 4.1. The Seesii GR05 Ultra 6-Speed Grease Gun Kit wins on value. The Seesii GR05 Ultra 6-Speed Grease Gun Kit costs $197 less ($119.99 vs $316.99).

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.

Milwaukee M18 2-Speed Grease Gun Kit vs Seesii GR05 Ultra 6-Speed Grease Gun Kit

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 weightMilwaukee M18 2-Speed Grease Gun KitSeesii GR05 Ultra 6-Speed Grease Gun Kit
Overall rating4.2/54.1/5
Value 25%28 $316.99, kit with battery and charger89 $119.99, kit with battery and charger
Flow 25%100 up to 10 oz/min100 up to 10 oz/min
Hose 15%100 48 in hose100 48 in hose
Pressure 10%100 10,000 psi maximum100 12,000 psi maximum
Runtime 10%50 cartridges per charge not published (neutral score used)35 up to 12 cartridges per charge
Warranty 15%100 5-year warranty0 warranty not published, scored as none

Specifications

Milwaukee M18 2-Speed Grease Gun KitSeesii GR05 Ultra 6-Speed Grease Gun Kit
Output
Top flow10 oz/min10 oz/min
Maximum pressure10,000 psi12,000 psi
Speed settings26
Cartridges per charge-12
Hose length48 in48 in
Power
Battery systemMilwaukee M18Makita 18V
Voltage18 V18 V
In the box1 battery2 x 2 Ah
Features
Lock-on triggerYes-
Work light-Yes
Case or bagYesYes
Build
Warranty5 years-

All cordless grease gun comparisons →