Forster employs a super-cooling cryogenic process to produce ultra-smooth bushings, resulting in superior loaded rounds. Cryogenically treated steel generates filler particles that refine and seal the steel's surface. The bushings undergo heat treatment and honing to achieve the exact specified internal diameter.

Forster neck size bushing bump inserts are specifically engineered for exclusive use with the Forster precision plus bushing bump die
The bumpers are precision-engineered with 0.001 inches tolerances and undergo cryogenic treatment to enhance surface smoothness and durability

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These items are controlled by the U.S. Government and authorized for export only to the country of ultimate destination for use by the ultimate consignee or end-user(s) herein identified. They may not be resold, transferred, or otherwise disposed of, to any other country or to any person other than the authorized ultimate consignee or end-user(s), either in their original form or after being incorporated into other items, without first obtaining approval from the U.S. government or as otherwise authorized by U.S. law and regulations.

WARNING: Handling firearms or firearms parts can expose you to lead and other petroleum products known to the State of California to cause cancer, birth defects, or other reproductive harm. Wash hands thoroughly after handling. For more information go to www.p65warnings.ca.gov (CA Health and Safety Code Section 25249.6).