• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar
  • Skip to footer
  • Home
  • Breaking News
    • Industry News
  • Gun Reviews
  • Gear Reviews
  • Ballistics
  • Concealed Carry
    • Defensive Gun
  • 2A

Gunners Den

  • Ammo
  • Rifles
    • ar-15
    • SKS
    • M1 Garand
    • M1 Carbine
    • Mini
  • Shotguns
  • Handguns
  • Hunting
  • Reloading
  • Trade Shows
  • Gun Info

shotshell

LUP VS PSI: Shotshell Pressures and How They Affect Recoil

January 3, 2021 By Joshua Gillem

What is the difference between L.U.P VS PSI? P.S.I. (pounds per square inch) and L.U.P. (lead units of pressure) are used to measure chamber pressure in the various shotshell gauges. L.U.P. is calculated through the use of a lead crusher and was used for many years, but has been replaced by the more accurate P.S.I. […]

Filed Under: Gun Info, Shotguns Tagged With: ballistics, shot gun, shotgun, shotshell

Shotgun Drop Factor

January 11, 2019 By GunnersDen

Shot shell Drop / Trajectory: Perhaps one of the things that will cross a shotgun hunter’s mind once in awhile is how much does shot drop over a given distance and does this trajectory matter. It goes without saying that the pellets are losing energy as they travel downrange to their intended target. The controversy […]

Filed Under: Ballistics, Shotguns Tagged With: ballistics, shot shell, shotgun, shotshell

Primary Sidebar

Most Popular Posts

Best AR-15 Manufacturers

When Will Ammunition Prices Go Down?

Handgun Ballistics Chart

Rifle Ballistics Chart

Muzzle Brake vs Comp vs Flash Hider

12 Best 9mm Handguns

45-70 Ballistics, History, Info

Best Optics Ready Pistols

Cheap Bulk 223 Ammo

Follow Us

YouTube

Facebook

Footer

Disclosure

Privacy Policy

About Us

Contact Us

Advertise

Contributors

Copyright © 2023 · GunnersDen.com ~ As a participant in the Amazon Associates program and other affiliate services, I may earn a small amount of money if you buy something after clicking on a link. It in no way increases the amount you pay and helps us stay in business. Please know that we only recommend products we trust and have used ourselves.