The Marksman V4 G34 slide is the perfect choice for those seeking a high-performance slide for competition. This slide is machined from hardened 17-4 stainless steel to ensure long lasting performance. Precisely machined RMR pattern with 2 alignment recoil bosses. Features compatibility with Trijicon RMR, SRO or Holosun 507 red-dot optics. Front & rear serrations for enhanced slide manipulation. Compatible with 3rd Gen 9mm slide internals (not included). Compatible with Glock G17 Gen 3 & P80 PF940V2 frames. Requires a G34 3rd Gen barrel. QPQ Nitride finish provides wear and corrosion resistance. Certified Gunsmith assembly Mfg: Alpha Shooting Sports