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Thread: Shooting/gun help!!!
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12-13-2009, 06:46 PM #5
Check your box of ammunition and make certain it isn't labeled 5.56 x 45mm. There is a common misconception that they are one and the same. 5.56 (Nato round) is loaded to much higher pressures and has thicker brass. When placed in a SAAMI rifle (.223) can cause major problems, such as what you are describing.
Here is a link to check out. It explains it much better than I can.
The Gun Zone -- SAAMI on 5.56 v. .223 Remington
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The Following User Says Thank You to srkilpatrick For This Useful Post:
rugrad02 (12-13-2009)