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Old December 16, 2009, 04:53 PM   #9
Bartholomew Roberts
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Join Date: June 12, 2000
Location: Texas and Oklahoma area
Posts: 8,462
At $800 retail, I am betting there are a lot more differences than a 1:9 twist vs 1:7 twist. There are dozens of places to deviate from M4 specs and save money.
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