| Type | API, PGU-14/B Inert |
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| Projectile | aluminum, black, red windscreen, 2 nylon driving bands Projectile Markings: (white ink) INERT |
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| Case | aluminum, choke crimp, dark olive drab anodized Markings: (white ink) INERT 30MM PGU-14B/B (black ink) 7400730-1 ACN 91H007-002 |
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| Primer | inert, flat, brass, 4-stake crimp, red annulus |
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| Headstamp | [none] |
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| Notes | Factory-made inert cartridge. The projectile weighs 250 gm which is too heavy for a DU penetrator but too light for an empty projectile body. This weight is correct for a steel penetrator, and the projectile does weakly attract a strong magnet. The purpose for a steel penetrator is unknown. |
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