Remington Brass is perfect for reloaders of the popular 300 Blackout cartridge. This high quality brass is carefully drawn to ensure consistent cases. The 300 AAC Blackout brass features a standard 5.56mm taper which is designed for AR magazines and minimizes strain on the bolt's weaknesses. Available in primed 100, 500 or 2000 count boxes.
Caliber: 300 AAC Blackout
Brass Is Primed
Due to the manufacturing process and/or shipping, case mouths may not be perfectly round. To ensure a round case
mouth, cases must be sized (or have the expander ball of the sizing die run through case neck) and deburred/Chamfered prior
A light "staining" may be found on the case neck of new brass. This is due to annealing. Annealing is a process,
performed by the manufacturer, which involves rapid heating to a specified temperature followed by rapid cooling. This
process imparts cases with the proper hardness to securely hold a bullet as well as gives flexibility to expand and contract upon
firing and repeated forming. The "staining" is a residue from this process. This stain may be removed by tumbling before
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