45cal full lenght forming

[overtheir]

Ok I m using  a 40 cal with blue sabots  with reloader 7 accuracy is great out a brux barrel , but I want to explore the  option of  no sabot with a true 45 cal bullet , can someone explain about the wads whats a veggie wad etc and how do you  detremine  what to use ? . I find at 200yrds  my groups change  point of impact also I want to start xtending my range to 3 - 400 yrds . Thanks

[billc]

Wads are placed between the powder and the bullet. They are there to provide a seal for the build up of pressure to insure proper power ignition prior to obturation of the bullet sealing the bore. Two types of wads are generally encountered, wool or veggie (fiber), 0.030 or 0.060 thickness. Which one to use it told to you by your rifle -- ie try some of each. For my rifle I couldn't tell a difference between wool or veggie, but I full form (engrave rifling into the bullet) if you smooth form, the wad may be more critical. Shooting will give you the answer.

[GMB54-120]

And poly wads too. They seal better than any of them. Fury sells small packs of them and Buffalo Arms sells them in 1000 packs for like $20. .463 OD and .060 thick.

www.furycustombullets.com/shop-2/sabots-wads-and-accessories/50-cal-poly-wads/

[overtheir]

Thanks

[ET]

Overtheir

Good luck on your endeavor with sabot-less and increased range.
Hope you don’t mind a query on a comment you made concerning change of point of impact at 200yds.
My curiosity stems for what the actual change is seen. I would appreciate hearing a little more specific about this change.

Ed

[overtheir]

Hi I find one day the point of impact say is at 3 oclock Ill go home clean the toy go out again in a week and use the same load same powder batch same sabot and Im hitting the target at 6.oclock I look at the sabots and they look fine , I double check my rings and bases and even changed scope just in case same result . I use a solid rest cadwell take my time between shots 10 to 15minutes ( usually bring a 22 to plink with ) . The stock the stock is not beded or are the base will be doing that soon .

[billc]

No personal experience, but I've heard knurling the bullet to get a better grip on the sabot has helped some shooters. I can say I have been very happy shooting without a sabot in my 45. If you like experimenting, possibly try sabot-less with some of the no sizing required bullets.

[mrbuck]

Overtheir ,
I have experienced the same issue with stock MLIIs . The only one that remains in zero is a .45 PacNor barreled years ago by Luke . It might be off 1/2" but this may be from wind , different lighting , but usually it is right "on" at 2" high at 100 . However , it shoots Barnes 195gr. bullets about 1" higher and 1" right than Hornady 200gr. bullets . All of these rifles have laminated stocks . I will be interested in the replies to your issues .

[ET]

Overtheir

Thanks for responding to my query.
I find that interesting that the POI changes to 6-oclock from 3-oclock after cleaning. And noted a week between outings.
Off hand I don't have any idea why it is doing this nor have I experienced this condition. Boy this is one I have to think about.

[overtheir]

one thing i forgot to mention I do knurl my bullets with a file I have some knorled right know and have found the size to be slightly different from bullet to bullet , just wondering if that is causing the issue how the bullet graps and the resistance leaving the barrell

[ET]

Apr 11, 2022 18:12:00 GMT -5 overtheir said:

one thing i forgot to mention I do knurl my bullets with a file I have some knorled right know and have found the size to be slightly different from bullet to bullet , just wondering if that is causing the issue how the bullet graps and the resistance leaving the barrell

Overtheir

I can see loose tolerance of knurling altering group size but not a 90-degree change in group location.
Then there’s that week between outings before this occurs. For some reason my thoughts turn to fouling playing a role. On an outing when your group shifts have you tried running a wire brush up and down the bore a few times, followed with a dry swab?

[overtheir]

no I have not cleaned in between but I plane to the next time the example i gave of 3 versa 6 was just that I plane tio get out this weekend need to shot the 12 g turkey is a few weeks away and Ill save my targets and post pic if things go to plane

[hunter]

shooting from a rest, it is very easy to have a different setup from one session to the next, as maybe not setting behind the gun exactly the same, bag not square with the target, ect. Try to keep track where your line of site goes from the target after each shot. Does it recoil right, left, up or down? The next range session do the same thing and see if the line of site moves in the same direction. If not see if the difference is similar to your point of impact on your targets. I caught myself on this when I was shooting two groups in a 7 shot group years ago. One time the gun would recoil left and next would recoil right.

[cuda]

Do you leave it in the stock when cleaning? By changing the tension on the stock screws it will move point of impact. It will do this on my 45 and 50 but if I keep them tight and do not change them the point of impact stays the same.

[GMB54-120]

Leave it dirty one week. Well actually just run 1 dry patch after the first range session so its semi fouled. Take it out the next session semi fouled.

[billc]

I had another thought on fouling. With my 10 ML II after a thorough cleaning and drilling out the carbon from the breech plug, the first 6 shots would string vertically. Vertical string was about 6 inches, the clean plug shot was 6 inches high, and as the plug fouled the POI would lower until it was back on zero. This took 5 or 6 shots to re-carbon the plug.

In your change from 3 o'clock to 6 o'clock example, does the POI return to the 3 o'clock position after a few shots?

[overtheir]

Well i finally got out it turns out my stock screws where loose loctite curried the issue