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Video: M4 Reliability test

KB Fab

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I burned up a few hundred of those older shells with the cardboard hulls. Some of them I had to slap the bolt handle to get them to chamber due to some swelling. They all fired and ejected just fine.


I have a recipe for some 7/8 oz and 3/4 oz rounds and I tried the 7/8's in my M4 the other day. Cycled a full mag without a hitch. Gonna try the 3/4's next but not so sure about them cycling. It's super fun rolling your own tho. Hmmmm.....maybe a good idea for a thread.:cool:

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