Oh I see your problem, Johnny. "I then get out my drill" , the correct phrase is, "take the gun over to my drill press". You do have a drill press don't you. Well you are in luck, I just happen to have such a tool surplus to my needs.
Comes with clamping kit and 2 drill press vises; one fixed jaw, one x-y moveable. 5ft tall and 170 pounds. It should fit in the back of your Panamera with rear seats folded down. The seat do fold down don't they. Low mileage, only used on three small projects traveling carriage for bowling ball mortar, tennis ball trebuchet and carriage rebuild for Lapan cannon.. For this special introductory offer to a friend, can be delivered to the motel parking lot in Easton this coming October, no charge. Cash sale, unmarked bills only wrapped in the morning newspaper.
Serious fellas, for this sort of work you will find a drill press indispensable. The one pictured is a floor model, but a bench top model is good investment. Back in the 80's when I had my own gunsmith shop, all I ever had was a bench model. In the custom shops I worked in they had floor models, but the work horse was always the bench model. It is well worth the investment. One of those X-Y adjustable vises are very handy.also. Having your work rigidly secured will make the project so much easier. This tool and a solid mounted bench vise and will save on frustration, tools and accidents.
"And don't forget. That isn't your Martini you have. It belonged to others before you and will belong to others after you are gone. Look after it, and pass it on with pride. It deserves it." Malcolm Cobb, The Martini Henry Note-book
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