The Magnum Blackhorn 209 Powder Charge Tubes are the simple solution for keeping your Blackhorn Powder at ready to load a powder charge quickly and effortlessly in the field. The magnum powder tubes hold up to 150 grains of Blackhorn 209 or other loose black powder per tube and come with a 20-150 grain unit volumetric measurement on the side of the see-through, durable plastic tube to indicate how much powder is in each tube. The Muzzleloader Blackhorn 209 Tubes make loading your rifle or preparing your load quick and easy. These tubes are great for preparing loads in advance for follow-up shooting, or for speed loading during a match. These tubes will not crush with normal use and come with a tight-fitting lid. Gear up for your hunting season or competition shooting match with the magnum BH209 charge loading tubes. Please note that only the CVA Paramount and CVA Paramount Pro muzzleloader are capable of handling 150-grains of Blackhorn 209. Please ensure that your muzzleloader is capable of handing 150-grains of Blackhorn 209 before using the full magnum charge.