Crawdad1
Member
Barrel making is tough process with many ways to commit errors, here is some interesting information,
"If there’s a thread of consistency evident anywhere, it’s that every aspect of the barrel-making process is critical; it seems there are no unimportant steps in the transformation of a bar of steel into a gun barrel. And those steps begin with the selection of the steel itself."
"Some makers, like John Krieger, for example, who produces both cut- and button-rifled barrels, have embraced cryogenic stress relieving, but he makes no accuracy claims for it." "Before cryoing, Krieger told me in a recent conversation, he would often scrap three or four barrels out of 10 because the deep-hole drilling operation would produce blanks having more than .005-inch run-out when turned on centers."
The types of steel used, stress relieving, bit drift, grove cutting and land polishing all are critical steps in making a barrel and even more critical when designating that barrel as "Match Grade."
"If there’s a thread of consistency evident anywhere, it’s that every aspect of the barrel-making process is critical; it seems there are no unimportant steps in the transformation of a bar of steel into a gun barrel. And those steps begin with the selection of the steel itself."
"Some makers, like John Krieger, for example, who produces both cut- and button-rifled barrels, have embraced cryogenic stress relieving, but he makes no accuracy claims for it." "Before cryoing, Krieger told me in a recent conversation, he would often scrap three or four barrels out of 10 because the deep-hole drilling operation would produce blanks having more than .005-inch run-out when turned on centers."
The types of steel used, stress relieving, bit drift, grove cutting and land polishing all are critical steps in making a barrel and even more critical when designating that barrel as "Match Grade."