Read these instructions before assembling your Exotic Firearms X-52 projectile. 

1) Place hot glue in the top of the X-52 finned base to fill the space.
2) Place a large amount super glue around the outside top lip of the rounded payload section. Press the base and top together (the more, the better. You want it to fuse solidly.) 
3) Prime a 4.5” 37mm aluminum hull by placing a #209 shotgun primer in the hole on the flat side of 37mm hull. 
4) Place NO MORE THAN 75 grains FFFG powder into a primed 37mm Aluminum hull. (For best results use a 37mm aluminum hull with a powder bushing at the base.) 
5) Place a band of hot glue around the nose of the projectile just below the widest point and push into the casing. Let glue cool. 
6) You're ready to fire training round. 

FUSED PROJECTILE

1) Drill a 1/8” hole through the middle of the finned base.
2) Insert a 3” piece of 1/8” diameter visco fuse in hole and glue both ends. 
3) Using a ½” Drill bit, drill out the payload section carefully to leave the rim section that connects to the finned base.
4) Place whatever firework type material or effects fuse in the payload section, keeping in mind the BATF&E limits of ¼ oz.
5) Place a large amount super glue around the outside top lip of the rounded payload section. Press the base and top together (The more, the better. You want it to fuse solidly. The fuse should be sticking into the payload section and sticking out the base.) 
6) Prime a 4.5” 37mm aluminum hull by placing a #209 shotgun primer in the hole on the flat side of 37mm hull.
7) Cut the fuse at the end of the base with a sharp utility knife at a 45 degree angle about ¼” from the end of the base.
8) Place NO MORE THAN 75 grains FFFG powder into a primed 37mm Aluminum hull. (For best results use a 37mm aluminum hull with a powder bushing at the base.) 
9) Place a band of hot glue around the nose of the projectile just below the widest point and push into the casing. Let glue cool.
10) Ready to fire signaling round.
Note: This round can be loaded into the 3.5” casings without using a powder bushing. The range of the projectile will be about half the distance as the loading instructions above.