Decent backup sights at a great price - JE Machine Tech 45 Degree Aluminum Offset Fixed Iron Sight

A great value for American made sights. The sights seem to be well made, and the push button is easy to use. The base on each of the aluminum sights is somewhat thick, which while I appreciate the extra material, means that the rear-sight cannot sit as far forward as a set of steel 45-deg offset sight due to an interference with the brass deflector on the receiver. Moving the sight back a slot or two, the rear-sight installed without issue, but when folded down extended back to where it may interfere with a non-Milspec charging handle. This is not a negative mark on the sights or JE Machine. They can't possibly design their products for every other possible AR15 component on the market, but it is something that the end user should be aware of.