EGW made this bushing specifically for SIG?s GSR.
It's an excellent choice for a drop-in bushing.
The bushing is machined from solid barstock steel.
The flange thickness is .125? which protects the barrel more because it sticks out farther than the spec bushing.
Available in Stainless Steel or blued Carbon Steel.
I.D. = Inside diameter of your slide - .699".
O.D. = Outside diameter of your barrel - .582".
Warning: This product may be alloyed with trace amounts of lead and other elements which are known to the State of California to cause reproductive harm and cancer. To prevent exposure, do not alter the product by welding, grinding, etc.
For more information, go to www.P65Warnings.ca.gov.