Complete 37MM Crackle Projectiles ready to load into your aluminum casings.  Signaling type ammo for 37MM launchers. These 37MM Signaling Rounds produce a shower of popping Crackle balls that fill the area around where the round finishes.  They are purchased in packages of 3 each.   These do require aluminum 37mm casings to complete assembly.  Instructions are included.  Recommended lifting charge of 45 grains of FFG or FFFG powder.  

 Manufactured by Signal Source LLC 

Weight: 1 lb