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AR 10 Handguard


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Very different. In size, thread pitch and barrel nut. First you need to know: 

 

do I have an AR10 or a LR308? There’s a difference, because only Armalite is an AR10. It’s a different thread pitch. If not, then you have an LR308. But is it high or low rail height?

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To add to the question of do I have…

 

If it’s and Armalite AR10, you have that. If it’s a DPMS or variant, you have that.  If it’s RRA…etc. know what you have before you order anything. If you aren’t sure, post up what you can and folks can help straighten it out with you. Even the manufacturers are out there using improper terminology and it makes headaches and hassles for everyone when you get parts you think are going to fit and they don’t. 

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  • 2 weeks later...
On 9/22/2021 at 9:09 PM, edgecrusher said:

Very different. In size, thread pitch and barrel nut. First you need to know: 

 

do I have an AR10 or a LR308? There’s a difference, because only Armalite is an AR10. It’s a different thread pitch. If not, then you have an LR308. But is it high or low rail height?

The one I have has a Palmetto lower and I can't find any kind markings on the upper receiver. 

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