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Gun wasn't that dirty IMHO, but the rubber seal looked like a loose fit and have got replacement ones on the way
The two metal gas rings look OK, so ill just clean and re-use
However the carrier...

Ok dude I’ll see how it goes

Thanks for that offer Allgood, but im at the other end of the NI
I ordered a 3-pak from GC, $50 damn expensive for rubber rings in a flash Remington packet
I didn't think about engineering shops as...

OK thanks for that mate, ill buy some new ones & give them a crack

Got a Remington 1187 semi auto 12 Ga that only holds back the bolt about 50% of the time on empty chamber.
Lower power loads seem to be more of an issue and the gun feels sluggish when it cycles,...