Bullets coming apart/crap ammo, wtf

A

awesomeame

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Etobicoke, Ontario
I did some shooting this weekend with my abolt in 30.06. Last year I was shooting remginton express core lokt 165 and making 1" groups at 100yards. This year with the same ammo (several different boxes) I was shooting 8-10" groups. Then I found the aft 1/2 of the bullet casing imbedded in my target. See the pics. There was a green fibreous material imbedded inside the casing-I was shooting over dirt, which leads me to think it got in there during the manufacturing process...The wood from the target is new, so it's not from that either. (not pressure treated either)

Anyways, I switched to federal powershock 150 and am now shooting sub 1” groups! Pretty amazing!

I measured all the spent casings afterwards and found the powershock to be 1 thousandths smaller in diameter, 2 thousandths longer overall, and where the bullet is crimped it was 1 thousandths smaller in diameter than the core-lokt's. I then measured all the measurements on the casings I could come up with and the powershocks measured within 3 thousanths of each other on every measurement, while the core-lokts measured within 10 thousanths of each other. What that tells me I don't really know since these are spent casings-but shouldn't they all be the same after firing the gun? I would be curious to measure these things before they get fired.

I just don’t understand how the same ammo could have shot so well last year, and now this year it’s crap! Any ideas? Anyone ever seen something like this before? Here are the pics

http://www.kwmuscle.com/mark/matt/DSCN3833.JPG
http://www.kwmuscle.com/mark/matt/DSCN3834.JPG
http://www.kwmuscle.com/mark/matt/DSCN3835.JPG
http://www.kwmuscle.com/mark/matt/DSCN3836.JPG

--matt
 
When you say "same ammo" I guess you mean same brand and bullet but new box of ammo you bought this year?

Do you have any of the bad ammo left unfired? If so, pull a bullet and then cut bullet in half. I cannot imagine what that green stuff is. Maybe some guy in the Remington bullet factory is looking for his green ski jacket??

The ammo box will have a stamped lot number on the box flap. If the ammo is defective they would want to know about it ASAP. They would reward you with some additional free ammo.

By the way, factory ammo is loaded to a specific velocity. From time to time the factory makes another lot of that ammunition, but they obviously, at a minimum, use a different lot of powder which would mean a different amount of powder. They can also, from time to time, change the powder they use, depending on inventory, suppliers and price.

Therfore, if you find a box of ammo that shoots partiulalry well, it would be a good idea to do what the 22 target rifle shooters, do, buy more of the same lot number. It will store indefinately.
 
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What is behind the target?

How was the jacket in the target board?

corelokt_mushroom.jpg
 
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larst time i had this i send the box of 9mm back to remmington and they sent me a cert for $500rds of free ammo to be cashed and any remington stocking dealer.
They were very happy that i had got back to them, so thay could track the lot and case #.
bbb
 
The difference in the case length and diameter of your fired cases means nothing with factory hunting ammo. Different lot #'s of brass will expand and contract at slightly different rates. Wall thickness of cases also differ from lot to lot and brand to brand.

8-10 inch groups could be a combination of a clean or oily barrel, oil between the action and stock, loose bedding screws or scope mounts. And some could be operator error if you haven't had much trigger time since last year.
 
badboybeeson said:
larst time i had this i send the box of 9mm back to remmington and they sent me a cert for $500rds of free ammo to be cashed and any remington stocking dealer.
They were very happy that i had got back to them, so thay could track the lot and case #.
bbb
Click to expand...

how long ago was that?
 
msg.drew said:
What is behind the target?

How was the jacket in the target board?

corelokt_mushroom.jpg
Click to expand...

it was just a piece of plywood and a huge field behind, the jacket was actually imbedded backwards in the board. strange

i don't think it's all operator error-i shot some of the fed then some of the rem and the grouping difference was obvious. i'll let remington know, thanks for all the info guys!

--matt
 
Because I was thinking the bullet went threw the target or missed the target hit something solid like a tree left the lead core imbeded in the tree it with enough force to send the jacket flying backwards into your target board...
that would explain the tree like fibers and no lead core...
 
GANDERITE said:
Therfore, if you find a box of ammo that shoots partiulalry well, it would be a good idea to do what the 22 target rifle shooters, do, buy more of the same lot number. It will store indefinately.
Click to expand...

Unless the Green Stuff(tm) is perishable ;)

I would definitely keep any unfired cartridges from that batch and contact the manufacturer and/or the retailer.
 
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I personally don't think the green stuff came from the ammo at all, but is something that was hit by the bullet and carried with it after being fired. JMHO, Eagleye.
 
You dont need to take a cross section the tip should be lead... you would know if you your just fireing a jacket down the barrel trust me...
 
what I notice is a green stain on the outside of the jacket in the dent. Makes me think that you hit some sort of plant material on the way to the target. Sectioning a slug may or may not tell you anything because of burring over as you cut but it certainly is not going to cost you anything. Did you mike the bullets to make sure they are the correct diamter?

cheers mooncoon
 
that outer casing looks kind of like it bounced off something looks like grass or something like that. dont know if you have small shrubs or anything in your line of fire, but it looks like it went through something hard enough to rip the bullet appart after hitting it.
 
remember that when copper rusts, it turn green. Could be water dammaged rounds? Either at the factory, or after?
 
Hey sorry to hear bout that, my buddy had the same thing happen with remington core loct ammo this year . I will try to get the lot # off him cause he was shooting 30/06 too . perhaps its a bad run.
 
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