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- Mar 9, 2019
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I bought a CVA Wolf about a year and a half ago. It came with a breech plug for pellets. I want to shoot loose powder to have more flexibility and hopefully more accuracy with my rifle. Ive been reloading rifle cartridges for 30+ years so I'm familiar with loose powder. I used the original plug and had no misfires or even a hang fire with the loose powder. It shot very well.
Not being able to leave well enough alone I decided to drill out the breech plug. Im within the influence of the auto makers of Detroit and we are familiar with steel. I simply set it on the bench and selected a 5/16 bill and with a handheld drill (not even a drill press) I slowly began to drill it out. I only did a little at a time and dipped it in oil often. Both to clean the shavings and keep the metal cool.
As I drilled it I see the flame channel open up. (get larger) At this point I'm committed so I keep drilling. Didn't measure how deep but about 3/4 inches. (just so you know I had a real plug already on order in case this went south on me)
So I go to my property and know there is going to be more back pressure because of the larger flame channel. I have used metal washers to get a crush on the primers so the only question is will the primer seal the chamber. I fired a primer through it to clear any oils and such. I could tell by the noise the flame channel was different. I put 70 grains of 777 and a 255 grain saboted bullet in the barrel, place the primer, close the gun and from the hip aim it at a tree. All went well. I opened the gun and no blow back from the shot. So I upped it to 100 grains and had the same result. Then repeated with a 305 grain saboted bullet. All went well.
After that I must have shot about 15 shots with no problem. Im thinking this will be an excellent plug for cold or wet weather.
I would post a picture but it looks the same as the one I bought for $29.00.
Frankly the gun shoots just the same. I didn't run it over a chrony but I still have the wonderful accuracy I did before I drilled it out.
I dont recommend this procedure to anyone. Just sharing my experience. This is a great forum to learn from. Hope I can add a little information.
Not being able to leave well enough alone I decided to drill out the breech plug. Im within the influence of the auto makers of Detroit and we are familiar with steel. I simply set it on the bench and selected a 5/16 bill and with a handheld drill (not even a drill press) I slowly began to drill it out. I only did a little at a time and dipped it in oil often. Both to clean the shavings and keep the metal cool.
As I drilled it I see the flame channel open up. (get larger) At this point I'm committed so I keep drilling. Didn't measure how deep but about 3/4 inches. (just so you know I had a real plug already on order in case this went south on me)
So I go to my property and know there is going to be more back pressure because of the larger flame channel. I have used metal washers to get a crush on the primers so the only question is will the primer seal the chamber. I fired a primer through it to clear any oils and such. I could tell by the noise the flame channel was different. I put 70 grains of 777 and a 255 grain saboted bullet in the barrel, place the primer, close the gun and from the hip aim it at a tree. All went well. I opened the gun and no blow back from the shot. So I upped it to 100 grains and had the same result. Then repeated with a 305 grain saboted bullet. All went well.
After that I must have shot about 15 shots with no problem. Im thinking this will be an excellent plug for cold or wet weather.
I would post a picture but it looks the same as the one I bought for $29.00.
Frankly the gun shoots just the same. I didn't run it over a chrony but I still have the wonderful accuracy I did before I drilled it out.
I dont recommend this procedure to anyone. Just sharing my experience. This is a great forum to learn from. Hope I can add a little information.