Home / AR Upper Parts / AAT Black Hole Rifle Gas Tube AAT Black Hole Rifle Gas Tube PRODUCT DESCRIPTION Rifle length gas tube $21.99 AAT Black Hole Rifle Gas Tube quantity Add to cart Category: AR Upper Parts Tag: Gas Tube Product ID: 7418 Specifications Related products AAT Asteroid Handstop $32.99 View Product AAT Black Hole Pistol Gas Tube $21.99 View Product AAT Black Hole Mid Length Gas Tube $21.99 View Product AAT Forward Thrust Grip $44.99 View Product