# 5.56mm NATO as a C-bearing puller

**URL:** <https://forums.yoyoexpert.com/t/5-56mm-nato-as-a-c-bearing-puller/415847>\
**Category:** Yo-Yo Mods and Maintenance\
**Created:** [December 26, 2024, 3:34pm UTC](https://forums.yoyoexpert.com/t/5-56mm-nato-as-a-c-bearing-puller/415847 "2024-12-26T15:34:43Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Sven](https://sea1.discourse-cdn.com/flex015/user_avatar/forums.yoyoexpert.com/sven/32/604919_2.png) [@Sven](https://forums.yoyoexpert.com/u/Sven)\
**Post date:** [December 26, 2024, 3:34pm UTC](https://forums.yoyoexpert.com/t/5-56mm-nato-as-a-c-bearing-puller/415847/1 "2024-12-26T15:34:43Z")

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![241226_5.56mm_bearing_puller](https://us1.discourse-cdn.com/flex015/uploads/yoyoexpert1/original/4X/9/7/a/97a49b82aa57203f4a84ccb9dd41e0b008fbb989.jpeg)

Simple deal: I took a 5.56mm casing, used a drive and a small hammer, to round out the mouth the casing, polished it. I also polished it, in the intrest of getting a slight undersized, easy fit, inside the inner race.

Used it to pull a pixel bearing from my Shooting Star to clean it. Worked nicely.  
A positive: The casing is a brass aloy, so will not disform the steel bearing race, but sadly it is harder than the aluminium, so some care is adviced, I would say.

That’s it. Hope you enjoy this little piece of “trivia”.

Edit: For context, I would like to add, that I own cartridges and parts of small caliber munitions, because I compete in amateur shooting sports, like 300m rifle match, from which this 5.56mm casing originates.