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Old December 28, 2008, 09:13 PM   #2
mykeal
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Join Date: October 8, 2006
Location: Northern Michigan
Posts: 2,772
Replacing the breech plug is not recommended, and I believe T/C considers that a breach of the warranty. The New Englander has a 1/4x28 threaded nipple. It can be carefully drilled out and rethreaded to a 6mm metric M6x1 thread; there are readily available nipples in that size from all retailers.

I'm not aware of parts diagrams for the New Englander, perhaps someone else has a source. As for the parts themselves, Thompson Center can very likely provide a hammer, and the M6x1 nipples are available at Track of the Wolf and several other internet sites.

The rifle bore needs to be carefully inspected for two conditions: rust pitting and bulges. While a good bore light is useful in checking for rust pitting, a better method is to use a dry patch on a cleaning jag and note the resistance as you push the patch down the bore. Rust pits will create a significant drag on the patch. You can check for bulges at the same time by noting a sudden change in the amount of force necessary to move the patch.

A bulge in the bore will make the rifle unsafe to shoot. Rust pitting may be correctable with a good rust remover, a bore brush and elbow grease.
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