Primed 300 Blackout Brass


Ready to Load!

Ballistic Advantage Authorized DealerAero Precision Authorized Dealer

Primed 300 Blackout Brass

Primed, New Manufacture, Never Fired

Our Primed 300 Blackout brass is new manufactured brass and comprised of primarily Lake City, Winchester, and Frontier headstamps**. This brass has never been fired, is FL resized to SAAMI spec, and features a seated and crimped primer. Orders are bulk packaged in sealed, heavy-duty bags perfect for long-term storage.


  • New primed 300 Blackout Brass*
  • The primer is seated and crimped.
  • Projectile and Powder NOT included.

* Some brass may have 223 Rem headstamps. This brass is new, never fired, and has been converted to 300 BLK specifications.


**This is NOT loaded ammunition**

Product Information


300 Blackout

Component Type




Box Qty


Primer Size

Small Rifle


Please read Prior to making your purchase

This brass is direct from OUTDOOR military firing ranges, is sold as RAW, DIRTY and may contain stained or other cases unsuitable for reloading. During our packaging process we magnetically and visually screen each order and remove any debris, steel or noticeably damaged cases, and blanks, however this does NOT guarantee your order will be free of these items.  Orders are filled to 101% by weight (approximately 10 extra per 1000).  If you have specific concerns, contact us prior to making your purchase, as we do not send replacement or issue refunds for unusable cases.

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