r/canadaguns • u/burgers1919 • 13d ago

Fix my gun Panzer arms m4 barrel space question.

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Hi everyone,

Hope you are well. Bought a panzer arms m4 to add to an Italian collection.

Took it apart to clean it and putting it back together I see there is a thin gap between the barrel and receiver.

I can't remember if this gap was here before I took it apart.

Does anyone else have this gap? If it shouldn't be there does anyone who also has one who had the same problem have a solution for how to fix it?

Thanks for your input!

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u/i-Hermit 11d ago

Mine has this issue as well.. a mallet can be used, but I think the interference is coming from the fitment of the hand guard. The channels where it slots into the receiver end and the barrel end aren't aligned very well, so I'm in the process of filing a bit of material away from those channels in the hand guard to make fitment better.

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u/burgers1919 10d ago

I thought about this too what tool are u using?

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u/i-Hermit 10d ago

A file and sandpaper lol. It's a delicate process because those channels are tight and you don't want to take too much material, or it will become loose. Fortunately it's aluminum so it's soft. If you look where it sits on the receiver end, if there's dirt there, you can see witness marks of where it's rubbing and just try and take material away at that section.

My job was.. not perfect lol. I'm not concerned because it's on the inside.