DP marked P-14-Safe or not?

[browningautorifle]

the barrel on the rifle I have has NOT been drilled

They didn't have the barreled "Drilled" to be a DP. DP stands for "Drill Purpose", to perform handling drills. Not for range use or firing. Don't know where you got the idea they had a hole drilled somewhere. There are threads here with our resident armorers trying to explain the "DP" rifles and weapons, including bayonets, aren't for live use any more. It's been done for a reason and you and I can't determine why. Even the armorers here might not be able to eyeball it and determine why, let alone a local gunsmith. It may look perfect and new. It's been de-commissioned for a reason...

Firing it with a reduced charge will be perfect, that way when you load a full house Mk 7z and touch off the last thought you'll have will be full confidence in your gunsmithing abilities. Doesn't matter, I won' be beside you on the range. I'm too far away...

Here's a long list of "DP" threads for you to digest... Military Surplus Collectors Forums Read more than a couple...