Nathan Foster recommends removing "the rifle as a variable" that might cause accuracy problems.[1] Considering the amount of testing, set-up, and verification involved in accurizing, how well do you think his prescribed methods remove the rifle as a variable? What other variables might also contribute to issues with accuracy?

answer in paragraph form. Must be a minimum of 250 words and less than 300 words. answer must have a personal informative tone but be professional.