MEDIUM CALIBER AMMUNITION
20mm M50 Series
20mm M50 Series
20mm M50 Series
M53 API – M55 TP – M56 HEI
The M50 series ammunition is compatible with all 20mm M61, M197, M39 and M621 gun systems worldwide. General Dynamics Ordnance and Tactical Systems M50 Series ammunition is established, proven and reliable.

The M50 series cartridges represent low-cost, reliable ammunition that have been built-in high volume production quantities by General Dynamics Ordnance and Tactical Systems for over 30 years.
M53 Armor Piercing Incendiary (API) which has an armor-piercing capability for light material targets.
M55 Target Practice (TP) ballistically matched to the M53 and M56 for accurate training.
M50 Series Performance


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General Dynamics Ordnance and Tactical Systems is a global aerospace and defense company. We are a committed to providing the U.S. military and its allies with an extensive range of overarching products that provide a cutting-edge advantage to our war fighters. A General Dynamics Company.
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