Field Notes

Scope rings, mounting bases and a torque wrench on a workbench
Scope Mounting Guide: Rings, Bases, Height and Torque
A great scope on a poor mount will never hold zero. Here's how to choose rings, set the right height, level the reticle and torque it correctly. Read more...
A riflescope in a bench vise beside a paper target with a tight group
How to Zero a Rifle Scope: A Simple Step-by-Step
Boresight, pick a distance, fire a group, adjust off the center of that group, confirm. Here is the whole process without the guesswork. Read more...
A pistol red dot optic with a small torque driver and hex bits
How to Mount and Zero a Pistol Red Dot
Get the footprint and torque right, co-witness your irons, then zero at a realistic distance. Here's the clean way to set up a pistol dot. Read more...
A red dot sight co-witnessed with flip-up iron sights on a rail
Co-Witnessing Iron Sights with a Red Dot
Absolute or lower 1/3 co-witness? It comes down to mount height and how much clean window you want. Here's the difference. Read more...
A set of scope rings of different heights with a torque driver
How to Choose Scope Rings: Height and Diameter
Rings look simple, but the wrong diameter or height ruins an otherwise great scope. Here's how to get both right. Read more...
From the Journal

Field Notes

Product guides, equipment care and buyer education from the D&R team.

How-To Guides

How to Mount and Zero a Pistol Red Dot

Get the footprint and torque right, co-witness your irons, then zero at a realistic distance. Here's the clean way to set up a pistol...

Read Article

How-To Guides

Co-Witnessing Iron Sights with a Red Dot

Absolute or lower 1/3 co-witness? It comes down to mount height and how much clean window you want. Here's the difference.

Read Article
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