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Posted: 8/7/2013 6:11:55 PM EDT
| So I'm getting ready to send off my form 1 for a noveske lower. If I put 5.56 under the caliber, would it be bad to use a 300 blackout upper on that lower? Someone told me to put 300 blk on the caliber and than I can use any caliber smaller than the 300 blk without any issues. Thanks |
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So I'm getting ready to send off my form 1 for a noveske lower. If I put 5.56 under the caliber, would it be bad to use a 300 blackout upper on that lower? Someone told me to put 300 blk on the caliber and than I can use any caliber smaller than the 300 blk without any issues. Thanks You can use any caliber on any registered SBR at any time.. There's no truth to the version you were told. |
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Is .223/5.56 acceptable as one caliber? Quoted:
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yes, put 1 caliber only on your form!! They used to except "multi" but not anymore! Is .223/5.56 acceptable as one caliber? Thats two calibers. Just put 5.56. No reason to list both, it will only lead to confusion |
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