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Posted: 12/26/2007 4:23:18 PM EDT
| So after many weeks of ARFcom and internet seraching, I still have not found out if a genuine builit and issue SPR barrel would be M4 cut or not. Does anyone know? Thanks for the help. |
Real SPRs were built with Colt M4 uppers, and the barrels have M4 barrel extensions. |
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