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Max Online: 16728 @ 03/25/12 08:51 AM
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#6347438 - 06/25/16 03:35 PM What Can Cause Bullet Fragmentation Like This?
Armalite260 Offline
Pro Tracker

Registered: 08/24/10
Posts: 1801
Took my new M15 out for a test run and this was the results. It has an 18 inch barrel 1:8 twist, I was shooting Factory Hornady 60gr bullets. Can the flash compensator cause this? I've already contacted the manufacture. I'm tempted to take it off and see how it shoots? I also put some 70 gr Barns TSX through it and it did the same thing. What do you guys think?

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#6347454 - 06/25/16 03:50 PM Re: What Can Cause Bullet Fragmentation Like This? [Re: Armalite260]
603Country Offline
THF Trophy Hunter

Registered: 07/03/12
Posts: 5817
Loc: Central Texas
Either the bullet is hitting something or it's flying apart. But since the twist shouldn't be fast enough to cause the bullets to spin apart, I'm thinking the flash hider is causing it or the barrel is rough enough to tear the bullet apart.

Got to be the flash hider...I think....but do look down the barrel.

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#6347464 - 06/25/16 03:57 PM Re: What Can Cause Bullet Fragmentation Like This? [Re: Armalite260]
DStroud Offline
Pro Tracker

Registered: 11/02/11
Posts: 1651
Loc: Waco
Should be able to see where it's hitting Flash Hider but I would remove it and fire.
_________________________
"Anyone taking up handloading necessarily plays with unknown factors and takes chances. But so does anyone who drives a car,goes to a cocktail party,eats in a restaurant,or gets married."

Jack O'Connor 1963

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#6347558 - 06/25/16 05:36 PM Re: What Can Cause Bullet Fragmentation Like This? [Re: Armalite260]
charlesb Offline
Pro Tracker

Registered: 04/07/10
Posts: 1499
Loc: West Texas mountains
I would also recommend that you move back a bit from the target.

Just kidding.
_________________________
Kind regards, charlesb



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#6347562 - 06/25/16 05:39 PM Re: What Can Cause Bullet Fragmentation Like This? [Re: DStroud]
nyalubwe Offline
Bird Dog

Registered: 12/10/15
Posts: 390
Loc: Montana
Originally Posted By: DStroud
Flash Hider but I would remove it and fire.


^^^^^^^^^^^


This.



That the Barnes would behave like that is particularly disturbing. I shoot them in a 1 in 8 all the time and have never seen that....

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#6347591 - 06/25/16 06:28 PM Re: What Can Cause Bullet Fragmentation Like This? [Re: Armalite260]
MClark Offline
Bird Dog

Registered: 10/09/15
Posts: 260
Loc: Arizona
Barnes TSX are disintegrating?
That is very strange.
I would not shoot it again send it back to the manufacturer or have a gunsmith check it out. A smith should have rods they can check muzzle device clearance and bore scope the barrel.

Mark

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#6347598 - 06/25/16 06:35 PM Re: What Can Cause Bullet Fragmentation Like This? [Re: MClark]
MoTex Online   content
Bird Dog

Registered: 09/11/12
Posts: 414
Loc: Allen Texas
Make sure there isn't a screw or something in the barrel. Had a 243 and wouldn't shoot well, screw protruding through the barrel.

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#6347602 - 06/25/16 06:47 PM Re: What Can Cause Bullet Fragmentation Like This? [Re: Armalite260]
swmays Offline
THF Trophy Hunter

Registered: 01/06/10
Posts: 6183
Loc: Dallas / Hopkins Co.
At a minimum can't you look through the upper and see what you can see?

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#6347614 - 06/25/16 07:06 PM Re: What Can Cause Bullet Fragmentation Like This? [Re: Armalite260]
Armalite260 Offline
Pro Tracker

Registered: 08/24/10
Posts: 1801
I looked and swabbed it before and after shooting. I couldn't see or feel anything.

The barnes didn't separate anything like the hornady, but still separated and keyhole.. I'm taking the compensator off to see what happens...

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#6347705 - 06/25/16 08:23 PM Re: What Can Cause Bullet Fragmentation Like This? [Re: Armalite260]
JCB Offline
THF Celebrity

Registered: 02/06/07
Posts: 23297
Loc: M.I.A.
Looks to me like your bullet is hitting the dirt in front of the target and spraying the target with dirt. LOL! It sounds silly but I have seen it before.

My bet is bullet is striking the flash hider or you may have some burrs from the flash hider causing that as well.

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#6347723 - 06/25/16 08:44 PM Re: What Can Cause Bullet Fragmentation Like This? [Re: Armalite260]
DannyB Online   content
THF Trophy Hunter

Registered: 09/15/04
Posts: 7408
Loc: N.E. TX
What was your distance from that target? I guess no matter what the answer is....send it back.

EDIT: What brand is an M-15? Is that an Armalite? I thought
Armalite was pretty good equipment. I would never be happy with that gun without getting it replaced.


Edited by DannyB (06/25/16 08:47 PM)

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#6348093 - 06/26/16 10:06 AM Re: What Can Cause Bullet Fragmentation Like This? [Re: Armalite260]
BushFamilyNine Online   content
Tracker

Registered: 05/26/13
Posts: 821
Loc: Iowa
Wowza!
I would contact the manufacturer, as I would say it's a machining issue with barrel or flash hider. Perhaps in the threads. Could be something as horrible as bore and chamber centering issue. The flash hider would be the first place I would look. Should see contact wear if it is off center with bore. Otherwise it could be the bore diameter too tight and it is peeling off the bullet jackets.

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#6348424 - 06/26/16 03:46 PM Re: What Can Cause Bullet Fragmentation Like This? [Re: Armalite260]
Armalite260 Offline
Pro Tracker

Registered: 08/24/10
Posts: 1801
Thanks for everyone's thoughts. I took off the flash compensator and sure enough I can clearly see where it's been touched by the rounds.. I'm still going to take this up with Armalite and at least have them send me a new compensator or I might just get something different on my own.. I'm taking it back to the range tomorrow just to make sure.

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#6348467 - 06/26/16 04:26 PM Re: What Can Cause Bullet Fragmentation Like This? [Re: Armalite260]
Texas buckeye Offline
Extreme Tracker

Registered: 11/22/11
Posts: 3684
Loc: Keller
Is the flash suppressor obviously warped or bent? If not, makes you wonder why it would be hitting. Bad either way. Curious to see if taking it off solves the problem

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#6348492 - 06/26/16 04:56 PM Re: What Can Cause Bullet Fragmentation Like This? [Re: Armalite260]
LFD2037 Offline
THF Trophy Hunter

Registered: 11/05/08
Posts: 7638
Loc: TEXAS
May be threaded wrong. A new one may not fix it. May have to get a new barrel.
_________________________
R.I.P. CPO Matt Mills-(DEVGRU)- You will NEVER be forgotten!
10-25-75 / 8-6-11 *K.I.A.*

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