On an American military barrel the "V" is for "Viewed", meaning visually inspected. The "P" is for "Proofed", meaning fired with a heavy proofing load to see of it bursts or is otherwise damaged.
On an American military barrel the "V" is for "Viewed", meaning visually inspected. The "P" is for "Proofed", meaning fired with a heavy proofing load to see of it bursts or is otherwise damaged.