A New 30mm Round –Maybe a Reason to Upgrade the Mk38 Mounts | Chuck Hill's CG Blog
30MM BALL CARTRIDGE | Mil-Spec Industries
From 25mm to 30mm - The Russian Ammunition Page
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Cartridge, 30mm Training, XM639
30 mm caliber - Wikipedia
30mm Glass Cartridge Fuses 1A-50A | 12 Volt Planet
Ohlins 30mm Cartridge Kit FGK 210
Cartridge, 30mm Dummy, M848
Line Drawings of 20mm to 30mm Cannon Rounds & Others, Experimental (1970's Texas Bull Shooter Bulletin) - General Ammunition Discussion - International Ammunition Association Web Forum
Sandvik Coromant - 30mm OAL x 7mm OAW Left Hand Indexable Turning Cartridge - 49442510 - MSC Industrial Supply