Browning 1911 .380 or .22 Full Length Guide Rod with Recoil Spring Plug and "buffer x2" For "4.25 inch barrel length" machined from solid stainless steel.
see below link for installation of guide rod.
https://www.youtube.com/watch?v=Y1aunMKEFF0
Please see my other listing of 1911 Browning
380/22 guide rod for "3.7 inch barrel length".
https://www.ebay.com/itm/256134228881