Mounting Standards

Glock’s Optics Ready System (ORS) debuted on the Gen 6 pistols as the successor to MOS. Rather than stacking the…

Walther’s PDP line is optics-ready through a plate system: rather than a single fixed cut, you fit the plate that…

The FN 509 mounts optics via FN’s Low-Profile Optics Mounting System, a plate set that adapts the slide to several…

Springfield’s OSP (Optical Sight Pistol) models are optics-ready and typically ship with a set of adapter plates so you can…

CZ’s optics-ready (OR) pistols, including the P-10 OR, mount a red dot through a plate matched to your optic’s footprint.

Smith & Wesson’s C.O.R.E. (Competition Optics Ready Equipment) system on M&P pistols uses interchangeable plates to fit a range of…

The Picatinny rail (MIL-STD-1913) is the dominant standardized rail interface on modern rifles and many pistols. Its consistent slot width…

The Weaver rail is the older mount standard that Picatinny evolved from. It is still found on hunting rifles and…

M-LOK is Magpul’s modular attachment standard for handguards and fore-ends. Rather than a full-length rail, accessories bolt directly into M-LOK…

KeyMod is a modular handguard attachment standard using keyhole-shaped slots. It saw wide adoption for a time but has mostly…