Alpha Shooting Sports Marksman V4 Slide Gen3 Glock 21 45 ACP Serrations RMR

The Alpha Shooting Sports MARKSMAN V4 SLIDE FOR GEN 3 G21 in black delivers a precision-built upgrade for Glock 21 platforms chambered in .45 ACP, offering front and rear serrations for rapid manipulation and enhanced grip under varied conditions. Engineered to pair with Glock 21 handguns, this slide features a Black finish and is designed to accommodate RMR sights, enabling streamlined optics-ready performance for fast target acquisition and improved sight alignment in any light. Built with compatibility in mind, it integrates smoothly with the Glock 21's dimensions and locking system, supporting reliable cycling and consistent lockup for dependable field use, competition, or range sessions. The MARKSMAN V4's rugged construction supports accurate, repeatable shots by providing a stable platform for precision aiming, while its clean aesthetics and functional serrations reduce glare and snag hazards during drawing and reholstering. Whether upgrading a dedicated .45 ACP setup or building a high-performance Glock 21 for duty, range, or hunting applications, this slide enhances control, reduces slide manipulation effort, and elevates overall handgun ergonomics without compromising reliability or firearm balance.