WE M&P pistol mag leak

[Steel Cheese]

So as the title says, my M&P pistol mag is leaking gas. I'm 99% sure it's coming from the seal around the base, where can I find replacement ones? What size o-ring do I need?

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[MattDodds]

Re: WE M&P pistol mag leak

I've had some success by dismantling the base of the mag, greasing the seals with silicon grease and leaving them overnight before refilling.

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[Steel Cheese]

Re: WE M&P pistol mag leak

I've had some success by dismantling the base of the mag, greasing the seals with silicon grease and leaving them overnight before refilling.

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Ah as a sort of way of revitalising them?

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[Martinj]

Re: WE M&P pistol mag leak

Go out and buy a selection box from toolstation or screwfix, you'll be amazed how often they come in handy.