A word of warning...loose Triple Se7en in FFFg strength is much greater then pellets. Be sure to adjust your loads according to the strength of the powder your using.[ Normal loose powder Triple Se7en in FFg is 15% stronger then Goex FFg, Pyrodex, Pyrodex pellets, or Triple Se7en Pellets. Do not put 150 grains of loose Triple Se7en whether FFg or FFFg in your muzzleloader. The barrel pressures could damage your rifle and you also. Further if you are changing your powder then from Triple Se7en FFg to FFFg this is also presents a power difference you must take into consideration to avoid damage to you and your rifle.