Guides

The questions that come up once the fit checker has said yes: which plate, which screws, will the irons still work, and what to do when the dot won’t hold zero. Each one is built from the same data as the rest of the site.

• TroubleshootingRed dot lost zeroA step-by-step check, from witness marks to the optic itself — which joint moved, why, and how to fix it.
• GuideWhich GLOCK MOS platePlates 01 to 08, which footprint each carries, which one is already in the box, and which optics need none.
• GuideRMSc vs Holosun KThe two slim-slide footprints side by side: which optic goes on which cut, and why the screws are the trap.
• GuideSuppressor-height sightsWhy standard irons disappear under a red dot, when suppressor-height irons co-witness, and what a plate or an enclosed emitter changes.