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What can cause a bullet to tumble? Update pg 2

Posted on 6/20/15 at 3:20 pm
Posted by bbvdd
Memphis, TN
Member since Jun 2009
24935 posts
Posted on 6/20/15 at 3:20 pm
Bought a new Springfield 1911 champion 4" model. The bullet appears to be tumbling.

I'm using reloads but the are great out of my Para Ordinance 1911 4"

It's a used gun and after I got home I really cleaned well so maybe that will help.

Any other ideas?
This post was edited on 7/3/15 at 5:17 pm
Posted by bbvdd
Memphis, TN
Member since Jun 2009
24935 posts
Posted on 6/20/15 at 3:22 pm to
Also, the spring that was in it caused it to be a little sloppy as well. I changed it but haven't shot with the original yet.

Posted by ChatRabbit77
Baton Rouge
Member since May 2013
5857 posts
Posted on 6/20/15 at 3:24 pm to
Bad crown and incorrect rate twist for ammo used. Those are 2 off the top of my head.
Posted by jbgleason
Bailed out of BTR to God's Country
Member since Mar 2012
18893 posts
Posted on 6/20/15 at 6:47 pm to
Damage to the crown, shot out barrel, bad reloads. Shoot some factory ammo through it before you do anything else.
Posted by bapple
Capital City
Member since Oct 2010
11875 posts
Posted on 6/20/15 at 7:08 pm to
Good advice here.

I've never heard of tumbling out of a handgun, that's odd. I would love to see a target to see the bigass hole from a 45 hitting it sideways.
Posted by A_bear
baton rouge
Member since Sep 2013
1960 posts
Posted on 6/20/15 at 7:46 pm to
Try a lighter bullet. Twist rate might be too slow to stabilize the bullet if it's too heavy. Happens in rifles so it could be the case in a pistol.
Posted by Shexter
Prairieville
Member since Feb 2014
13838 posts
Posted on 6/20/15 at 8:02 pm to


What makes you think the bullet is "tumbling"? . 45 bullet length isn't much more than diameter.



A rifle bullet, on the other hand is much longer than diameter. A tumbling. 223 bullet looks like a small triangle on a paper target.





This post was edited on 6/20/15 at 8:06 pm
Posted by bbvdd
Memphis, TN
Member since Jun 2009
24935 posts
Posted on 6/20/15 at 8:15 pm to
The holes in the paper just weren't right and at 7 yards it was shooting about 8-10" pattern. The exact same ammo out of the Para Ordinance was 1".

ETA: I'm really hoping the barrel was dirty and the slop from the after-market spring is what caused the tumbling.
This post was edited on 6/20/15 at 8:17 pm
Posted by kengel2
Team Gun
Member since Mar 2004
30676 posts
Posted on 6/20/15 at 8:24 pm to
Put some factory ammo through it and see what happens.
Posted by Tigah in the ATL
Atlanta
Member since Feb 2005
27539 posts
Posted on 6/20/15 at 8:54 pm to
there are a thousand things that will cause a 1911 to shoot poorly, despite its cult-like following.
Posted by Clames
Member since Oct 2010
16536 posts
Posted on 6/20/15 at 8:58 pm to
quote:

there are a thousand things that will cause a 1911 to shoot poorly, despite its cult-like following.



Posted by Carson123987
Middle Court at the Rec
Member since Jul 2011
66374 posts
Posted on 6/20/15 at 9:39 pm to
never heard of handgun rounds tumbling
Posted by mack the knife
EBR
Member since Oct 2012
4183 posts
Posted on 6/20/15 at 10:17 pm to
oh they will. YEARS ago me and a buddy reloaded some ammo for his .44 mag and used lead wad cutters in a mag load. the slug was going down the barrel too fast for the groves to imart proper spin (if any spin). ended up with a buch of funny looking holes in the paper and one REALLY fouled barrel.
side note: with proper hearing protection sometimes you can hear the bullet tumbling. like a fast hard ball ripping through the air.
Posted by X123F45
Member since Apr 2015
27345 posts
Posted on 6/20/15 at 10:32 pm to
When looking at a lihht through the barrel, do you notice any rings?

One bulge won't do it, multiple bulges will.

It isn't uncommon if the previous owner prefered low powered reloads to save money

Glocks handle the problem better than most. The treasured 1911 does not.

Check it, barrels are cheap and that platform is a joy to shoot.
Posted by TigerOnThe Hill
Springhill, LA
Member since Sep 2008
6810 posts
Posted on 6/20/15 at 11:11 pm to
quote:

I'm using reloads but the are great out of my Para Ordinance 1911 4"

What bullet weight are you shooting?
Posted by bbvdd
Memphis, TN
Member since Jun 2009
24935 posts
Posted on 6/21/15 at 8:26 am to
The barrel looks pristine.

Shooting 200 grain lead bullets with 6.1 grains of Be-86
Posted by TigerOnThe Hill
Springhill, LA
Member since Sep 2008
6810 posts
Posted on 6/21/15 at 4:02 pm to
If somebody stole my valuable stuff, I'd sure go and get it back! And beat his arse too!
The twist on a factory 45 ACP barrel should be adequate to handle a 200 grain bullet. I don't know why the bullets would tumble. Can you share some pics? What kind of targets are you shooting at? My targets consist of the "garage sale" 1" dots stuck to left over computer printer paper. Even when I know the bullets are not tumbling, I've had bullets make some really odd shapes when shot at my targets if taped to a flimsy backstop.
Posted by DownshiftAndFloorIt
Here
Member since Jan 2011
66763 posts
Posted on 6/21/15 at 4:04 pm to
I'm no range junky, but paper stuck to cardboard stuck to plywood seems to make the cleanest holes.
Posted by DownSouthJukin
Coaching Changes Board
Member since Jan 2014
27177 posts
Posted on 6/21/15 at 4:09 pm to
quote:

lead bullets


I had a S&W 637 that would not shoot Magtech ammo with lead bullets without them tumbling at 7 yards. Everything that was jacketed shot just fine.

Maybe it's the lead bullets in combination with that particular pistol.
This post was edited on 6/21/15 at 4:11 pm
Posted by bbvdd
Memphis, TN
Member since Jun 2009
24935 posts
Posted on 6/21/15 at 4:15 pm to
Wish I had taken a picture of the target but i didn't. The target has a cardboard backer.
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