
Which Gun Cleaner Lubricant Protectant (CLP) Brand Wins?
This head-to-head test of 9 gun cleaner lubricant protectant (clp) options has the measured results for each. See how they ranked and watch the full test video.
Some figures on this page were transcribed from the test video and have not been independently re-verified. Treat the numbers as a close guide and watch the full video for the exact readings.
Clenzoil
Price shown in test: $17 for 8 oz, $2.13 per oz
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The quick take
No single winner was declared in this test. Here is where the top-ranked pick landed, straight from the measured results.
Best in 1 of 4 measurements, including Lubricity and wear scar test.
The measured results
Every number below is read straight from the test. Products are listed in the order they finished.
Lubricity and wear scar test
- 1Clenzoil1.81 mm
wear scar, best of all 9 brands tested, tester never exceeded 400 watts, about 100 watts less friction than the Ballistol
- 2Break Free CLP4.15 mm2nd
wear scar, second best of all brands tested, tester briefly hit 478 watts before dropping to around 400
- 3Extreme Force5.02 mm3rd
wear scar, third best of all brands tested, tester needed just over 480 watts
- 4Frog Lube5.67 mm4th
wear scar, fourth best of all brands tested, tester briefly hit 487 watts
- 5Fluid Film6.59 mm5th
wear scar, fifth best of all brands tested, tester exceeded 500 watts
- 6Ballistol7.26 mm
wear scar, worst film strength of the brands tested up to that point, tester used nearly 500 watts, quite a bit of metal in the test cup
- 7Slip 20007.41 mm
wear scar, tester needed over 500 watts, more friction than all other brands tested up to that point, quite a bit of metal in the container
- 8Hoppe's No. 9 CLP7.72 mm
wear scar, tester exceeded 500 watts, quite a bit of friction and metal grinding noise
- 9Hoppe's No. 9 Kit8.52 mm
wear scar, worst of all 9 brands tested, tester hit 518 watts, the highest of all brands, quite a bit of metal flake in the test cup
Carbon buildup cleaning test
- 1Clenzoil
terrific job, slightly better than the Ballistol
- 2Break Free CLP
terrific job, traces of the product continued dissolving carbon even after the test finished
- 3Extreme Force
performed very well, not quite as well as the Hoppe's
- 4Frog Lube
did a great job despite its higher viscosity
- 5Fluid Film
terrific job breaking down carbon, performed as well as the other brands, A+ tier
- 6Ballistol
made easy work of the carbon buildup, cutting almost to the metal
- 7Slip 2000
did a great job cutting through the carbon
- 8Hoppe's No. 9 CLP
the best of all brands tested up to that point, A+ tier along with the Fluid Film
- 9Hoppe's No. 9 Kit
performed very well, similar to the standalone Hoppe's CLP
Dust attraction test
- 1Clenzoil
performed slightly better than the Ballistol but not quite as well as the Break Free CLP
- 2Break Free CLP1st place
with an A minus rating, best of all brands tested
- 3Extreme Force
collected a little more dust than most other brands, performed about the same as the Ballistol
- 4Frog Lube
performed about the same as the Clenzoil, B+ tier
- 5Fluid Film
performed slightly better than the Hoppe's kit lubricant, B+ tier
- 6Ballistol
performed about the same as the Extreme Force, B+ tier
- 7Slip 2000
performed slightly worse than the Break Free CLP, B+ tier
- 8Hoppe's No. 9 CLP
collected a little more dust than most other brands, similar to the Ballistol
- 9Hoppe's No. 9 Kit
performed slightly worse than the Fluid Film, B+ tier
Cold temperature test, negative 40F for 12 hours
- 1Clenzoil
frozen solid, failed the test
- 2Break Free CLP
passed easily, described as a great lubricant for cold temperatures
- 3Extreme Force
extremely solid, failed the test
- 4Frog Lube
was a paste before freezing and became very hard, failed the test
- 5Fluid Film
very high viscosity at room temperature, froze solid, failed the test
- 6Ballistol
does not like the cold, froze solid, failed the test
- 7Slip 2000
passed, did not flow as well as the Break Free CLP but definitely passed
- 8Hoppe's No. 9 CLP
passed, shrugged off the cold and flowed just as well as the Break Free CLP
- 9Hoppe's No. 9 Kit
just as frozen as the Extreme Force, failed the test
Corrosion resistance test with prior heat exposure
- 1Clenzoil4th place
- 2Break Free CLP8th place
struggled, just ahead of the Ballistol
- 3Extreme Force3rd place
very little corrosion
- 4Frog Lube1st place
heat exposure actually helped it absorb into the metal, very little corrosion
- 5Fluid Film5th place
the heat was too much for it
- 6Ballistol8th place
worst of all brands tested, appeared to burn off in the oven with as much corrosion as the unprotected control panel
- 7Slip 20007th place
quite a bit of corrosion
- 8Hoppe's No. 9 CLP6th place
really struggled to block corrosion after heat exposure
- 9Hoppe's No. 9 Kit2nd place
very little corrosion
Corrosion resistance test without heat exposure
- 1Clenzoil4th place
- 2Break Free CLP9th place
worst of all brands, more corrosion than most
- 3Extreme Force6th place
more corrosion than average
- 4Frog Lube2nd place
very little corrosion
- 5Fluid Film1st place
best of all brands tested at blocking corrosion
- 6Ballistol8th place
better than the unprotected control but not nearly as well as most other brands
- 7Slip 20007th place
quite a bit of corrosion but better than the Break Free CLP
- 8Hoppe's No. 9 CLP5th place
a little more corrosion than average
- 9Hoppe's No. 9 Kit3rd place
did a little better than average
How it was tested
- lubricity and wear scar test using a lubricity tester
- carbon buildup cleaning test on highly carbonized metal
- dust attraction test after driving on a gravel road
- cold temperature flow test at negative 40F for 12 hours
- corrosion resistance test with hydrogen peroxide, vinegar, and salt, tested with and without prior heat exposure at 400F for 1 hour
“So, which brand is the best? I think that really depends on what you're looking for. Unfortunately, none of the brands were perfect. However, there were quite a few brands that performed very well. Two of the brands that really stood out to me include the Clean-Oil as well as the Break Free CLP.”
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