This Heckler & Koch MK23 Rear Sight Retaining Screw (part no. 215711) is the factory-spec fastener that holds the MK23’s rear sight in place. Heckler & Koch built the MK23 as a rugged combat pistol, and small parts like this retaining screw are exactly what owners need when a factory screw is lost, stripped, or damaged during a sight swap. It’s a genuine H&K replacement part, not an aftermarket substitute.

Key Specifications

• It’s built specifically for the MK23 pistol’s rear sight assembly.
• It functions as the retaining screw that holds the rear sight securely in its dovetail.

Frequently Asked Questions

What does this screw secure? The rear sight on the Heckler & Koch MK23 pistol.

What pistol is this part for? The H&K MK23 specifically; it’s not a universal fitment part.

Buy the Heckler & Koch MK23 Rear Sight Retaining Screw

Order the H&K MK23 Rear Sight Retaining Screw from our Lubbock, Texas gun shop for fast, insured shipping. It’s a small but essential part for keeping an MK23’s rear sight secure. Browse more from Heckler & Koch / H&K or see our full gun sights selection.