PM45 Old Style Recoil Assembly. To determine which style you need measure the length of the guide not including the outer spring. Old style guide assembly without the outer spring measures 2 3/8". The New style guide assembly without the outer spring measures 2 1/2".
What organisations does shopkahrfirearmsgroup.com support?
shopkahrfirearmsgroup.com supports valorclinic.org see how here
Causes supported by valorclinic.org
shopkahrfirearmsgroup.com supports thejourneyhomeproject.org see how here
Charities description: The Journey Home Project is based in Middle Tennessee and assist not-for-profit causes that provide veterans with rehabilitation, reintegration and opportunities as they transition to civilian life.