Going back to dry vibratory "tumbling"

[Pawnee Bill]

Clean brass is happy brass.
Happy brass makes for happy shooting.

 

[JFrank]

0.2 to 0.4" won't get you anywhere in competition.

0.2 will do just fine in 600 or 1000 yard br. Which disciple are you competing in?

 

[garandman]

0.2 to 0.4" won't get you anywhere in competition.

Thanx, Cap'n.... lol

 

[garandman]

I’d go with what the guy said that shot this-

View attachment 1285713

Which is... ???

 

[INTJ]

0.2 will do just fine in 600 or 1000 yard br. Which disciple are you competing in?

Yes, .2 to .4 at 1000 yds works well for us, but most of the time when a distance isn't given the MOA is 100 yd MOA. In many cases .2 MOA at 100 equals 6-8" at 1000.

 

[INTJ]

Again, I'd like to point out that most methods will work well if they are well thought out, systematic, and consistent.

 

[INTJ]

Which is... ???

That was @BartsBullets. He does more than just "ok".

 

[garandman]

Yes, .2 to .4 at 1000 yds works well for us, but most of the time when a distance isn't given the MOA is 100 yd MOA. In many cases .2 MOA at 100 equals 6-8" at 1000.

I'm about 5" at 700 yds right now, so...yeah. I'm looking to do better than that.

 

[NorCalMikie]

Question is.... corn cob or walnut and what if any polish / treatment?

Untreated corn cob!! No additives! Get cob stick in the flash holes? Good chance to inspect your brass one more time while you pick it out BEFORE it gets primed and loaded.

 

[INTJ]

I'm about 5" at 700 yds right now, so...yeah. I'm looking to do better than that.

Welcome to the dark side.....

 

[JFrank]

Yes, .2 to .4 at 1000 yds works well for us, but most of the time when a distance isn't given the MOA is 100 yd MOA. In many cases .2 MOA at 100 equals 6-8" at 1000.

Heck 1/4 minute at 500 yards is a good goal for myself and im usually close during tuning although I have tune at the range anyway. If I can agg .5 at a 1000 im a happy camper.

 

[Webster]

Based on overwhelming response in my prior post re: how BR shooters clean brass, I'm going back to dry tumbling with organic media. (Wet with steel pins got me to 0.2 - .04" @ 100y in 2 different calibers)

Question is.... corn cob or walnut and what if any polish / treatment?

Thanx.

Do you really think cleaning the cases made the groups smaller?

 

[garandman]

Do you really think cleaning the cases made the groups smaller?

A wise man once said..... "I do about 20 things in brass prep, powder charge and bullet seating. Prolly only 10 of them matter. I'm just not sure which ten."

SOMETHING I did got me from about 1" groups down to 0.2 - 0.4 " ... Obviously brass cleaning has NOT prevented shrinking my groups. I'm willing to entertain the possibility different cleaning might get me down to 0.1 - 0.2" Or it might open groups back up.

 

[Dgd6mm]

Good thread.

 

[thestoicmarcusaurelius]

If you were a consistent .4MOA shooter, you would win every F Open match you entered, you would consistently be in the x ring

there a people that win f open matches that do not clean their brass at all

 

[INTJ]

One thing that helps tighten long range groups is consistent seating pressure. How we clean our cases has a direct bearing on that. I usually see about 5 PSI variation in seating pressure, on occasion a little more. Part of that consistency comes from not cleaning out the carbon in the necks. That is why I clean cases as I do.

 

[garandman]

If you were a consistent .4MOA shooter, you would win every F Open match you entered, you would consistently be in the x ring

there a people that win f open matches that do not clean their brass at all

Someone here said.... many different approaches, if done consistenty and diligently, can succeed.

I am a consistenty 0.4 (0.45 max, but usually less ) shooter at 100 yds. I'm in the process of stretching out past 600 (typically 4-5" groups) on my way to 1000 yd. Wind is a whole other matter and separates the good from the great. I ain't great.

 

[INTJ]

If you were a consistent .4MOA shooter, you would win every F Open match you entered, you would consistently be in the x ring

there a people that win f open matches that do not clean their brass at all

For perspective, if you are a consistent .4 MOA 1000 yd BR shooter, you will finish in the top third but hardly ever win, at least at Deep Creek in the light gun class (5-shot groups). In the heavy gun class, consistent 4" 10-shot groups would indeed be hard to beat--though it does happen.

 

[garandman]

One thing that helps tighten long range groups is consistent seating pressure. How we clean our cases has a direct bearing on that. I usually see about 5 PSI variation in seating pressure, on occasion a little more. Part of that consistency comes from not cleaning out the carbon in the necks. That is why I clean cases as I do.

What arbor press / pressure pack you use to measure seating pressure?

 

[INTJ]

What arbor press / pressure pack you use to measure seating pressure?

Not sure this is needed for anything other than LR BR. Maybe ELR and F-Open would benefit.

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