AR15 Receiver extension tubes

AR15 Receiver extension tubes
Brand: Rhine Group
Product Code: RG20151000
Availability: Out Of Stock
Price: $37.00
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Mil-spec with an Outside Dimension of 1.145”-1.147”
Thread: 1-3/16 X 16
Receiver extension tubes use 6061-T1 extruded aluminum.
Torque: 35-39 foot lbs

Overall Length: 9-11/16"

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