The Smith & Wesson M&P9 4.2-Inch Slide Assembly (brand part number 14511) is a genuine factory replacement slide machined for the M&P9 platform and cut for the Aimpoint ACRO footprint, giving owners a direct path to a red dot without sending the slide out for custom milling. This complete assembly ships with the factory co-witness height fixed sights already installed, so you keep a usable iron sight picture underneath your optic as soon as it’s mounted.

Key Specifications

• Fitted for the Smith & Wesson M&P9 platform, 4.2-inch slide length.
• Chambered in 9mm.
• Cut for the ACRO optic footprint.
• Ships with co-witness height sights pre-installed.
• Sights are fixed, not click-adjustable.
• Classified as a complete slide assembly, ready to install.

Frequently Asked Questions

What optic footprint is this slide cut for? It’s machined for the Aimpoint ACRO optic footprint.

Does this slide come with sights? Yes, it ships with co-witness height fixed sights already installed for a usable iron sight picture with an optic mounted.

Is this a complete, ready-to-install assembly? Yes, this is sold as a complete slide assembly for the M&P9 platform.

Buy the Smith & Wesson M&P9 4.2-Inch ACRO-Ready Slide Assembly

Get your M&P9 optic-ready with a genuine factory slide already cut for the ACRO footprint. Order the Smith & Wesson / S&W slide from our handgun slides lineup, shipped fast from our Lubbock, Texas gun shop.