one important thing to consider is that the US military suffers from a case of 'once bitten twice shy' in regards to getting a new service rifle ever since the issue with the first batch of M16's over 30 years ago, and its made them rather hypercritical over any real or percieved flaws with any of the submissions for contracts like these
as to issues with bullpup weapons, there are a couple, one of them that affects all designs (excluding the F2000) is to fire them with your off hand you essentialy have to take the thing apart and convert it if possible, or not bother at all. another is that some people find having the ejection port that close to their cheek rather disconcerting, as well as some finding difficulty with reloading
as to issues with bullpup weapons, there are a couple, one of them that affects all designs (excluding the F2000) is to fire them with your off hand you essentialy have to take the thing apart and convert it if possible, or not bother at all. another is that some people find having the ejection port that close to their cheek rather disconcerting, as well as some finding difficulty with reloading