Home AR-15 Breakthrough Clean University – AR-15 Part 1 (Upper Receiver)

Breakthrough Clean University – AR-15 Part 1 (Upper Receiver)

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In this video we go into the proper dis-assembly, cleaning and lubrication of the AR-15 upper receiver.

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9 COMMENTS

  1. That is not the way to clean a barrel. You not suppose to put the rod thru the muzzle brake first. You are putting the build up gunk back into the gun. Follow how the bullet exit. Rod goes thu the fron and exit to the muzzle brake

  2. I was about to ask the purpose of running opposite of bullet travel but your comment explained it all. I love breakthrough it's what I use for 3gun it performs under extreme round counts and zero failures where I have had a tube of HP oil and had to bail a competitor out when his shotty wouldn't cycleLove your product

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