3 lb Ball Mill Replacement Barrel 1/2 inch lead balls 100 balls = approximately 2

100 balls = approximately 2

Same neoprene construction as the original

this mill grinds potassium nitrate

reliable burn rates

3 lb Ball Mill Replacement Barrel 1/2 inch lead balls 100 balls = approximately 2A spare barrel changes everything about how you mill. Instead of waiting for one batch to finish before starting the next, you load a second barrel and keep moving. Compatible with the 3 lb and 6 lb dual barrel ball mills we carry. Same neoprene construction as the original. The details: Fits standard 3 lb and 6 lb dual barrel ball mills 4. 75" high 4. 5" diameter Neoprene construction Quick seal leak proof closure Why keep a spare: One barrel always