Complete 37MM Whistle Pig Projectiles ready to load into your aluminum casings. the Ultimate Signaling type ammo for 37MM launchers. These 37MM Signaling Rounds produce a loud scream from the back of the projectile once launched then finishes with a shower of Stars that then explode into Crackle. They are purchased in packages of 3 each. These do require aluminum 37mm casings to complete assembly. Instructions are included. Recommended lifting charge of 50 grains of FFG or FFFG powder.
Manufactured by Signal Source LLC
Weight: 1 lb