The TopStop cover is expertly designed to securely snap onto most AR-15 or M4-type upper receivers when detached from the lower receiver, providing essential protection during storage or transport. This innovative cover completely seals the upper receiver, effectively preventing fouling from entering or escaping. Additionally, it ensures that the bolt carrier group and charging handle remain securely in place, even when the upper receiver is moved around. With the TopStop, you can safeguard your firearm's components and maintain cleanliness and functionality, whether on the range or in transit.

Designed to snap-on most AR-15 or M4-type upper receivers, offering easy and secure installation for a wide range of AR-based platforms
This will only fit uppers that are detached from the lower, ensuring compatibility with specific firearm configurations
It features tough polymer construction

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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).