Home / AR Upper Parts / AAT Black Hole Pistol Gas Tube AAT Black Hole Pistol Gas Tube PRODUCT DESCRIPTION Pistol length gas tube $21.99 AAT Black Hole Pistol Gas Tube quantity Add to cart Category: AR Upper Parts Tag: Gas Tube Product ID: 7412 Specifications Related products AAT anodized dust cover $31.99 View Product Sale! AAT Flip up sights $99.99 $44.99 View Product Tin Coated carbine length gas tube $69.99 View Product TIN COATED PISTOL LENGTH GAS TUBE $69.99 View Product