98Z5V Posted March 4, 2017 Report Share Posted March 4, 2017 2 hours ago, washguy said: ....measure the inside length it should be 7 inches......you may have an Armalite which is a different length Wash If it's an Armalite AR-10 Carbine receiver extension, it'll have an internal depth of 7 5/8". Quote Link to comment Share on other sites More sharing options...
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