Incredibly rare 20x138mmB Solothurn Long German training spotter rounds! Used extensively by the German military in WWII as an anti tank and anti aircraft round in many platforms, most notably the Flak-30 anti aircraft gun. Other countries also utilized the 20x138mmB cartridge, such as Switzerland with their Solothurn anti tank rifles and Solothurn anti aircraft guns, and Finland with the Lahti M39 anti tank rifle.

These rounds were produced in Sweden for the German military, and the markings on the cartridge include a small Waffenampt on the projectile. If you want to see this exact batch in action, look no further than this video put out by our friends over at Going Ballistic who create the best specialty ammunition content on YouTube! 

PLEASE NOTE: These rounds have an inert projectile, and are therefore not considered "destructive devices" per the NFA. California residents unfortunately cannot possess these because they have a projectile greater than .5" in diameter. The additional rounds pictured above (.50 BMG, 30-06, 5.56) are not included with this item, they are just there to provide scale for the 20mm round. In the Going Ballistic YouTube video, these are accidentally referred to as armor piercing tracer rounds. These rounds are training spotter rounds with an inert projectile and a tracer (will no longer trace due to cartridge age).