"Cheat Sheets" For Optics

by
posted on April 17, 2014
** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. **
diy2015_fs.jpg (1)

Experienced shooters, particularly those in long-range pursuits, know that it's impossible to keep all the shooting DOPE in their heads when it comes time to send rounds downrange. Of course many keep a data book with all manner of tips, DOPE, formulas and tools inside. But for the average hunter or casual shooter, a simple "cheat sheet" in the form of a handwritten or printer-generated table, graphic or notation(s) taped to the stock or to the underside of a hinged scope cover can not only save valuable time but can mean the difference between putting meat on the table or going hungry.

Information need not be too detailed; but, for example, could include a simple graphic representation of a scope's reticle design with calloffs indicating what the subtensions of its reticle segments are at various ranges. Most scope manufactures provide specific dimensional information about their reticles in their catalogs or online. Even a simple "plex"-style reticle can be useful in estimating range. For example, what dimensions do the the thick and thin sections of your horizontal or vertical crosshairs, or the areas between them, subtend to at 300 yds.? Use a calculator to determine a starting point and then confirm it on a paper target by shooting from a steady position at a range. Once you derive specific figures based on measured groups, make notes, sketch out a diagram that indicates the determined values and assign each the appropriate dimension for a given range. Then set it all down on a small self-stick label or a piece of paper affixed with clear tape to a convenient spot on the gun or optic.

Going through such a process will teach you a lot about your gun, your load and your own shooting capabilities. And if you're properly applying the fundamentals of marksmanship, the latter may be improved simply because you have that all-important advantage of knowing exactly how far your bullet with fall at a given range.

Latest

45 ACP M1911
45 ACP M1911

Myths & Misunderstandings About the “Modern Fighting 1911”

The Colt Model 1911 pistol and its derivatives are among the most iconic military handguns ever made. But in 2026, does the M1911 still hold up as a quality defensive arm?

Heir Apparent: The CZ 600+ Carbine

CZ's 527 action was long a popular option scaled around compact cartridges like the .223 Remington and the 7.62x39 mm. Now, the new CZ 600+ Carbine brings that same concept to the company's new CZ 600 series.

I Carry: Smith & Wesson Model 386 Night Guard in an ANR Design Holster

In our latest "I Carry" setup, we're featuring the Smith & Wesson Model 386 Night Guard in an ANR Design holster, and we've got a Streamlight EDC flashlight to round out our kit.

The Armed Citizen® Oct. 23, 2026

Read today's "The Armed Citizen" entry for real stories of law-abiding citizens, past and present, who used their firearms to save lives.

NRA Announces Nominating Committee & Petition Nominees for the 2027 NRA Board of Directors Election

The National Rifle Association has announced the official list of all 33 candidates nominated for the 2027 mail ballot election of directors, whether by the Nominating Committee, by petition of the members or both.

Saltstone Integrator Rifle Carry System & Modular Hunting Vest: The Cure for The Common Sling

Among a hunter’s most basic equipment is their sling. The Saltstone Integrator Rifle Carry System and Modular Hunting Vest seeks to revolutionize this.

Interests



Get the best of American Rifleman delivered to your inbox.