Military spec GI national match 1911 bushing
Held to a tighter tolerance than a production GI Mil-Spec bushing
Machined from 4140 heat treated steel
O.D. is .6985"
I.D. is .577"
Face is engraved: "NM7267718"Modification of your firearm may nullify the manufacturer's warranty.This product should be installed and checked by a qualified gunsmith.No liability is expressed or implied for damage or injury which may result from improper installation or use of this product.
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.