The German HK A3 retractable stock is the latest and most advanced offering from HK, designed to withstand the rigorous demands of heavy +P and +P+ ammunition, as well as all standard ammunition types. The MP5 F stock is built with durability in mind, featuring an upgraded buffer system and a rubber butt pad that adds approximately one inch to the overall length compared to the older A3 MP5 stocks. This genuine, high-performance stock includes four adjustable positions, including extended, collapsed and two intermediate positions, giving you versatile customization for your shooting needs. If you're looking for the real deal in tactical performance, this is the ultimate stock to enhance your MP5 or SP5 platform.

The H&K retractable stock features (3) locking positions, offering adjustable length and comfort for different shooting preferences
It is compatible with the HK SP5 models, making it a great choice for those using this specific firearm
All NFA rules apply, ensuring compliance with the National Firearms Act regulations for responsible ownership and use

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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.

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).