First Breach 5.56 NATO New Brass Case 250 Rounds 556 brass 250

First Breach 5.56 NATO New Brass Case 250 Rounds 556 brass 250. For every casing First Breach produces its own brass cups from new premium brass strip which are drawn into finished casings. Each and every production line includes a series of quality control checkpoints. All of First Breachs products are qualified through First Breachs MOCs (Match-grade Ocular Checkpoints) as well as our MLTs (Match-grade Laser Terminals) which utilize more than a dozen lasers and a 3D imaging system to measure t