AR-15/M16 Buffer Tube 6 Position – NiB-X Nickel Boron

$38.00

7075 aluminum mil-spec receiver extension tubes accept  M4-style adjustable carbine buttstock. Six position.  Machined from lightweight aluminum extrusion then NiB-X® nickel boron coated.

18 in stock

Category: SKU: NIBXBT

Description

Style:  Carbine, Mil-Spec

1 review for AR-15/M16 Buffer Tube 6 Position – NiB-X Nickel Boron

  1. Chris (verified owner)

    Exterior is completely coated, but the bottom 10% on the inside of the tube is either uncoated or appears partially coated/treated with something.

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