Rival Arms Is Excited to Bring a Newly Designed Guide Rod for GLOCK Pistols Rival Arms is an up and coming company of individuals who have devoted themselves to individuals who demand more. Rivals Arms motto is more accuracy and more performance, because sometimes standard equipment just isn't good enough. Rival Arms uses a coalition of machinists and designers and coaters to provide you with the highest quality products possible. This particular item is a replacement guide rod which comes fully assembled. This guide rod can be dropped into your existing slide. Features: - Guide Rod - Premium Spring (Stock Weight) - Fully Assembled - The Rod is CNC Machined - No Gunsmithing Required - Limited Lifetime Warranty - Tungsten Construction Specifications: - Fits: GLOCK 19 Gen 3 Models ONLY - Material: Tungsten