Tag: Flat top upper
Cheap M4/AR15 Option: the DSArms Shooting Review
Come along as we test the accuracy and build quality of the DSArms ZM4, 5.56 upper. Shooting at close range from the bench and...
Sighting in my AR 15
A few video clips I recorded while sighting in my AR 15 at the 100 yard range. The upper was built by precision Firearms...