Sneaky Pete here: I'm interested in finding information on determining the twist rate for caliber--what is the determining factor/s?? THANX for your help--SNEAKY
Sneaky back: to Howard M 1st thanx for the reply--I looked up "Eponymous Greenhill Formula" and understand it. 2nd--Sneaky or Sneaky Pete is Not a uncommon nick-name for Soldiers in the Special Forces Groups which I were one way back in the stone age---BUTthe one you were refering to is/was not me. THANX--SNEAKY.