The Glock 31 Gen4 in .357 Sig delivers exceptional muzzle velocity and precision in a lightweight yet highly reliable design with a large magazine capacity. Engineered for versatility, it features a Modular Back Strap system that allows for instant grip customization to fit any hand size, ensuring a comfortable and secure hold. The reversible magazine catch enhances usability for both left and right-handed shooters, making it an excellent choice for professionals and enthusiasts who demand performance, adaptability and superior firepower in a duty or personal defense pistol.

The Glock 31C Gen4 in .357 Sig delivers reliable, precise performance with a 4.49 Inches barrel, a 15-round capacity and a durable black polymer frame

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Shipping Restrictions

It is the customer’s responsibility for understanding state laws regarding all purchases made. For a comprehensive list of all Shipping Restrictions, please refer to our Shipping Restrictions By State Page found Here.

All NFA Rules Apply

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.

Magazines will be removed from firearms when shipping to states with magazine capacity restrictions.

Must be 21 or older to purchase.

California 10+ Round Magazine Buyers: PSA values your freedom and constitutional rights above all else. However, PSA will not accept new orders nor will ship any order until the Ninth Circuit Federal Court of Appeals mandate becomes finalized. Once this mandate is finalized, we will start accepting new orders and ship 10+ round magazines to California Customers.

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).