As an Amazon Associate, this site earns a commission from Amazon sales.

April 25th, 2009

Stock Designs for Prone High Power Shooting

German Salazar, a top prone shooter and contributor to and, has crafted an excellent article on stock design. Writing for Precision Shooting magazine, German compares traditional stocks, such as the MasterClass Prone, with more modern, modular designs, such as the Eliseo TubeGun and Ross Precision stock. German, who shoots match rifles built with each type of stock, explains the pros and cons of the different designs, and explains how to optimize the stocks’ adjustments for best fit and function. German also explains the best methods to attach and bed an action to each of the designs.

CLICK HERE to Read Full Story by Salazar

Salaza highpower stock review

Salaza highpower stock review

For a limited time, German’s excellent article is available online, courtesy of Precision Shooting Magazine. If you’re a highpower shooter, or you are interested in the design, construction, and engineering of modern competition stocks, this article is a “must-read”.

Salazar highpower stock review

Permalink News No Comments »
April 25th, 2009

FREE Ballistics Calculators And Data Charts from Canada's NFA

Ever wondered what twist rate is required to stabilize a particular bullet? Or would you like to see how changes in spin rates (rpm) affect bullet stability? Well thanks to our friends from Canada, you’ll find helpful formulas online that answer many questions about external ballistics.

The Ballistics Page for the Canadian National Firearms Association (NFA) website offers a variety of useful programs and data charts created by Peter Cronhelm. These include:

Caliber Twist Rate Chart

Greenhill Formula Twist Calculator

Bullet Stability Calculator (requires MS Excel)

Ballistic Coefficients Chart (MS Word), (Or DOWNLOAD HERE.)

Ranging Ballistics Computer (Scroll to bottom of page.)
This exterior ballistics computer works in conjunction with range data as well as computing a conventional drop and windage chart. Using an FFP (Final Firing Point) and multiple TRP’s (Target Reference Points) the system will simultaneously calculate Drop and Windage data for up to 30 TRP’s 360 degrees around the FFP. Windage is corrected for the TRP direction compared to the primary wind direction. The spreadsheet consists of six individual pages. Each page performs a distinct function and contains all the information required to complete a shot at a target or targets. The entire system can be used in any laptop or handheld computer capable of running MS Excel or Excel CE.

CLICK HERE to download Ranging Ballistics Computer (requires MS Excel)

Rimfire Ammo Comparison Table
Canada’s NFA even provides a detailed table with bullet weights and velocities for over 100 varieties of 22LR Rimfire ammunition from Aguila, CCI, Eley, Federal, Fiocchi, Lapua, PMC, Remington, RWS, and Winchester. This Rimfire Ammo Table is a “must-have” resource for any smallbore shooter. Shown below is the section for Lapua:

Permalink - Articles, Tech Tip No Comments »