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Posted: 3/20/2011 6:00:05 AM EDT
| Would anyone know which is the best-vs-value M4 complete lower receiver under $500? It must be compatible with either Noveske 10.5" light shorty or BCM standard 12.5" Upper. |
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would you know which LPK they use and is the buffer tube made of 7075T6 ? |
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