What is the difference between a 16" barrel with a 1-7" RH Twist & a 1-9" twist? What are the advantages of a fluted barrel?
Various manufactures use different rifling twist,for instance Colt using a 1-7" on its current line of carbines & Armalite uses a 1-9"
Are there any advantages to a mid-length barrel?
Various manufactures use different rifling twist,for instance Colt using a 1-7" on its current line of carbines & Armalite uses a 1-9"
Are there any advantages to a mid-length barrel?