I've heard over and over these Panzer M4 shoot flawless out of the box with no breaking in. How many can anyone challenge that claim, did you have to break it in?

Question

I've heard over and over these Panzer M4 shoot flawless out of the box with no breaking in. How many can anyone  challenge that claim, did you have to break it in?

James G. · Answer

Hi Christopher and welcome. I did not have to break mine in. I also took some advice and left the bolt open for a few days and it cycled even light loads no issue. Cheers, stay safe and enjoy!

Ed C. · Answer

Hi Christopher, it's recommended to run the Panzer M4 on heavier loads for the first bit to help break in the gun. 
See article here >>> https://gununiversity.com/panzer-arms-m4-review/
Stay safe & have a great day!

Ric F. · Answer

I shot everything out of mine with no break in
It ate all I feed it.

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