Ballistics Calculators
JBM has been providing free online ballistics calculators and info for approximately fifteen years. During that time JBM has written custom ballistics software for a number of different platforms including desktop workstations and embedded processors and microcontrollers. JBM Calculators
Need Ballistic Gelatin photo results? www.brassfetcher.com/
Firearm Tactical Institute Ballistics, Forensics, Stopping Power, Shootout Analysis
The Stopping Power Home Page The name says it all
Personal Defense Ammunition Performance Data
How do bullets fly? Learn about bullet stability, Yaw
Wind Drift & Deflection 100 – 200 yards
Tables for 7.62 x 39 and 303 British (click to enlarge)
Tables use 10 mph. For 5 mph multiply by .5, 15 mph 1.5, 30 mph x 3
As you see the 303 out performs the 7.62 in less wind drift.
When Shooting an 8 inch plate at 200 yards wind will matter.
All kinds of testing below
The Box O’ Truth – What you always wanted to know… But were unable to test yourself!
Construction Materials vs bullets
Ballistics and Construction Material Testing
Hi-Point 9mm Analysis & functionality test
Handgun Shooting Measuring your performance
7.62 x 39mm (SKS Rifle) 1/8 inch Steel – All types penetrated As shown. Did not penetrate 3/16 inch steel.
SKS 
303 British 1 3/16 plastic
303 British – Penetrates 3/16 steel no problem. The 1/2 Steel made up of 4 plates only penetrated first plate and left a dent of 1 inch. The bullet Resistant plastic was penetrated and shattered. The plastic is rated for Handgun only.