You can order a new one-piece bolt of any dia. from PT&G. Measure the your bolt way dia. See
http://pacifictoolandgauge.com/remi...p-100-xr-100-model-7-600-bolt-right.htmlIf you want to retain the famous "3-rings of steel" feature, then specify the Rem extractor cut. All the others compromise that feature.
RAN