Jagemann 300 BLK-100ct New Unprimed Brass


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Jagemann 300 BLK – New Unprimed Brass

Sold in 100ct Bags

Jagemann 300 BLK is designed to provide a compact 30 caliber solution to the AR platform and has quickly become a desirable round by military and commercial markets.  It utilizes existing magazines and features minimal recoil while still packing the punch found in a heavier 30 caliber round.

Capable of supersonic and subsonic performance, the 300BLK has much to offer military and law enforcement operations. The round’s versatile performance has earned it notoriety in the sportsman’s market as a great option for hunting medium-sized game.

Drawn from American-made premium brass cups, each Jagemann 300 BLK casing undergoes rigorous in-line and post-production quality assurance testing to ensure a flawless casing of unparalleled durability and dependability.

Standard casing dimensions and tolerances have been modified to achieve maximum performance.

Technical Information

  • Manufacturer:  Jagemann Technologies
  • Caliber:  300 BLK
  • Neck Diameter:  .334 in
  • Shoulder Diameter:  .3607 in
  • Base Diameter:  .378 in
  • Case Length:  1.368 in
  • Primer Type:  Small Rifle
  • Max Pressure:  55,000 psi
Weight 16 oz
Dimensions 2 × 5 × 7 in



300 Blackout



Component Type


Brass Type

New Brass

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