.410 problem

[matgriff]

Hi. I've been given an old single barrel .410 which is in need of a bit of TLC.   It's a Harrington & Richardson, with a manual cocking lever.  It basically seems to shoot fine. I plan to restore the woodwork and re-blue the action & barrel.

The only problem I've found is that the spent cartridges are very difficult to extract.  New cartridges fit nice and smooth, but once fired the plastic body of the cartridges must expand and make it difficult to get out.  I know it's the plastic body, because you can feel it if you try to re-fit the spent ones, they're tight to push into the chamber.

 

I'm using Llayvale  2 1/2" (65mm)  #5 cartridges.

 

Any ideas why this is happening ?

 

Thanks

 

[islandgun]

Maybe your chambers rusty

[TIGHTCHOKE]

Polishing the chamber might help.

[guzzicat]

7 minutes ago, islandgun said:

Maybe your chambers rusty

+1, Few young (&older)owners had a cleaning kit.

[browning123]

I believe the metric sized cartridges are slightly larger than the older imperial cartridges - hence them being tighter in the older .410's, I've had this problem, and cured it by slightly reaming out the guns chamber by hand.

[bruno22rf]

Try a different cartridge.

[welshwarrior]

It’s expansion that’s very obvious in 410s they are more effected than any bore, a different case may expanded less polishing the chamber will help but how much is always unclear but will allow the plastic to slip over the metal better.  

[matgriff]

OK thanks. I'll give it a good clean & polish.

 

I've also bought some shorter 2" cartridges to try.

 

Thx

 

Mat

[Gunman]

Chamber size , thats either oversize or undersized  rim seat diameter and depth . Corrosion in the chamber cones or possibly an extractor fault .