Bullet performance on game By Daniel Lilja – December 2023As a rifle big-game hunter since the 1970’s I have long been interested in the [...] Read More
6PPC Neck Turning From the June, 2000 issue of NBRSA NewsLike most benchrest shooters I don’t like to spend a lot of time [...] Read More
Bullet Design My interest in bullet designs started with my interest in accurate benchrest type shooting, primarily at 100 and 200 yards [...] Read More
Long Barrel Velocities A few years ago we made some additions to our barrel making machinery that allowed us to make barrels in [...] Read More
A Look at Bullet Ogives and Chamber Throat Angles After ordering a new set of bullet dies recently, I began to wonder how the new ogive shape that I [...] Read More
Ballistic Coefficients of 6mm Boattail Bullets After I conducted the tests measuring the ballistic coefficients of several flat base bullets in 22, 6mm and 30 caliber, [...] Read More
Measuring Ballistic Coefficients of Benchrest Bullets Recently I ran some tests of ballistic coefficients of various types of benchrest bullets. The ballistic coefficient is a value [...] Read More
Effects of Altitude and Temperature on Rifling Twist In an earlier article in NBRSA NEWS, we looked at the effect changing atmospheric conditions had on the ballistic coefficient [...] Read More
Ballistic Effects of Altitude, Temperature, and Humidity At a match recently I overheard another competitor comment that the wind seemed to be blowing the bullets more than [...] Read More
Calculating Bullet Weights At a gun show recently, my friend Jerry plunked down on a table a very impressive-looking bullet. It was probably [...] Read More
Air Density and Bullet Performance Primarily the concern of long-range riflemen, air density is a factor that affects all bullets. As soon as a bullet [...] Read More
A Look at Bullet Imbalance and Twist Bullet imbalance–or more correctly, static imbalance–occurs when the axial center of gravity and center of form of a bullet are [...] Read More