After a certain point, a pellet's diameter becomes too small to give it enough sectional density (SD) to permit it adequately to penetrate substantial live targets at the typical impact velocities associated with shotguns.
What does SD stand for?
SD stands for Sectional Density
This definition appears very frequently and is found in the following Acronym Finder categories:
- Science, medicine, engineering, etc.
See other definitions of SD
We have 158 other meanings of SD in our Acronym Attic
- Schematic Description (Bell System)
- Schizotypal Disorder
- Schweizer Demokraten (Swiss Democrats)
- Science Data
- Scleroderma (connective tissue disease)
- Scoping Document
- Scorned Death (Shadowbane guild)
- Search Depth
- Section Disparu (French: Section That Does Not Exist, from TV show Alias)
Samples in periodicals archive:
500 B&M Alaskan are fine for smaller game, but for the really big stuff I would want a sectional density of .
The LazerHead features a boat tail design with high ballistic coefficient and sectional density values for superior long-range accuracy.
I think cross sectional density and bullet mass are a good thing and although things like the original wiener .
270 Partition has about the same nose shape and sectional density as its 140-grain 7mm, 165-grain .
Actually, the 117-grain bullet has the same sectional density as a 165-grain, 30-caliber bullet, and has a well-founded reputation for penetration on game as well as for accuracy.
Bullets of high sectional density are long for their diameter.
Features boat tail design with high ballistic coefficient and sectional density values for superior long range accuracy.