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Thread: KB'd my 9mm AR today...

  1. #1
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    KB'd my 9mm AR today...

    Well I spent the day at the range today with my new BCM 11.5" upper and tried to put some rounds through my 9mm AR.

    I put about 100 rounds through the 9mm with no problems. It sounded great with the Matrix9 on it.



    Down at the 50 yard range I proceeded to put another mag through it. Then all of a sudden BOOM. One of the rounds blew shit all over my face and arm from out of the ejection port.

    I turned the rifle over and saw an obliterated case halfway out of the ejection port:


    http://www.zoto.com/suicidehz/img/or...e25344e50e.jpg

    I dislodged it and was like "holy $hit!" I almost went to put the mag back in after I cleared it but thought to check the chamber. Sure enough, there was a 147gr. Rainier with it's a$$ sticking out of the chamber.

    So I knew that was it for the day as far as the 9mm went as I hadn't brought any steel cleaning rods to try and bang it out with.

    So I get home and go to pound it out. Rod goes about 9" into the 10.5" barrel. I ghasp very loudly. I bang on it with a hammer and it drops the rest of the way. I then proceed to bang VERY hard with the hammer until I pop out not only one, but two bullets.

    I must have had a squib round- it went about 3" into the barrel. This poor case didn't stand a chance when the second bullet decided it wasn't going to move past the chamber.

    I'm so thankful I didn't blow myself up. I got down on my knees in the garage and gave the guy upstairs a big thanks.

    Click on links below pictures for larger images.




    http://www.zoto.com/suicidehz/img/or...210d288b2.jpg1


    http://www.zoto.com/suicidehz/img/or...46cd906e7c.jpg


    http://www.zoto.com/suicidehz/img/or...9a7b39310d.jpg




    http://www.zoto.com/suicidehz/img/or...b2d68c667d.jpg
    Click the above link. This one shows some really nasty deformation in the brass!


    http://www.zoto.com/suicidehz/img/or...fd2be43a2f.jpg


    http://www.zoto.com/suicidehz/img/or...6de8438680.jpg


    http://www.zoto.com/suicidehz/img/or...c391011c83.jpg


    http://www.zoto.com/suicidehz/img/or...fc9b9ff3c4.jpg


    http://www.zoto.com/suicidehz/img/or...55cec13804.jpg

    Squibbed bullet on right, KB bullet on left:


    I had one popped primer in the BCM that was a BITCH to clear too. It had gotten itself on top of the bolt, in the cam pin channel behind the pin.

    Had to pull the pins and slide her off forward to get her apart.

    What a day...

  2. #2
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    Wow! Good day to give thanks for sure... Glad you are OK! How is the rifle?

  3. #3
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    So the rifle is fine then?

  4. #4
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    With a bullet already lodged in the barrel, this could have turned out A LOT worse than it did.


    Good to hear that the damage to you was minimal.


    What damage was done to the gun?





    -Jeff

  5. #5
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    I don't think any damage at all was done to the gun.

    I took off the handguards and measured the OD of the barrel in front of the chamber. 0.669" everywhere I measured it.

    Inside of chamber is clean now and looks fine. No outside visible evidence of damage- no deformation, discoloration, anything of that sorts.

    I should chuck it in the vice and remove the barrel and take some pictures as well as measure the chamber and areas in front with the calipers as I rotate it to make sure nothing is out of round.

    I guess this is one reason to go with Colt? HP tests? MPI etc.?

    The barrel is marked 2/99. Isn't that awful old. Has it's bayo lug though.

    Thanks for the good words guys. I walked away with nothing more than sunburn and dirty sunglasses.

  6. #6
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    You may want to wear more than sunglasses when you shoot.

    I see rookies do that a lot, shoot with sunglasses or none at all.

    How long have you been shooting?

  7. #7
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    xxxxx
    Last edited by PALADIN-hgwt; 07-10-09 at 00:06.

  8. #8
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    Silver primer in a Winchester case. It was a reload.

  9. #9
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    I usually always wear safety glasses. It's been all indoor shooting for me for so long, I mistplaced my tinted glasses and all I had was clear. It was too sunny for clear but then again I had one too many KBs for plain sunglasses too...

    Yes, they were reloads. 3.6 grains of Accurate #5 and CCI Small Pistol Primers.

  10. #10
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    Quote Originally Posted by SuicideHz View Post
    I usually always wear safety glasses. It's been all indoor shooting for me for so long, I mistplaced my tinted glasses and all I had was clear. It was too sunny for clear but then again I had one too many KBs for plain sunglasses too...

    Yes, they were reloads. 3.6 grains of Accurate #5 and CCI Small Pistol Primers.
    Glad you're OK. I'm sure you fun meter pegged on that one.

    Were they crimped?

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