20mm M39 Revolver Autocannon, 20mm M197 Rotary Autocannon, and the M61 Vulcan Autocannon Ammunition (20x102mm)
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20mm Mark 244 Enhanced Lethality Armor Piercing Discarding Cutaway Round With M103 Brass CaseSpecial Price $297.50 Regular Price $350.00 -
20mm Mark 149 Armor Piercing Discarding Cutaway Round With M103 Brass CaseSpecial Price $255.00 Regular Price $300.00 -
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