Many reviewers express that installing the MARK II SAFETY requires significant alterations to the rifle and can be quite challenging. The necessity for precision in modifications, such as grinding and cutting, is often emphasized, with several users recommending professional gunsmith assistance for optimal results.
There are numerous complaints regarding the overall quality of the safety. Reviewers note poor finish details, the presence of casting marks, and the use of potentially unreliable materials, which raise concerns about durability and long-term functionality.
The provided installation instructions are frequently criticized for being unclear or inadequate. Many users report needing to figure out the installation process through trial and error rather than relying on the manual, leading to frustration during the setup.
Despite its drawbacks, several customers feel that the MARK II SAFETY offers good value for its price. Its affordability is often highlighted, with some users noting that it is difficult to find similar products at a lower cost, even if it may require significant work to install.
Reviewers report mixed experiences regarding the safety's effectiveness. While some users find it works satisfactorily, others express concerns about its reliability, especially matters related to locking mechanisms and potential safety failures during operation.