CARBINE RECEIVER EXTENSION TUBE FOR AR-10. GI, 7 POSITION TUBE.

Mil-spec with an Outside Dimension of 1.145”-1.147”
Thread 1 X 16
Receiver extension tubes use 6061-T1 extruded aluminum.
Torque 40 +/- 2" inch lbs and stake

Caliber .308
Overall Length 7-5/8"

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