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April 4th, 2007

Forming 260 Rem AI Cases

Chris Long (Techshooter) has produced a detailed article on how to form 260 Remington Ackley Improved Cases. With nice, big photos illustrating the process, Chris explains how to form your cases, using either bullets, or an inert filler (no projectile). Chris also covers how to place a false shoulder in the cases prior to fire-forming. This creates a slight crush-fit, helping the shoulders to form more reliably, with fewer split necks. Chris formed cases using both Remington-brand 260 Rem cases, and Lapua .243 Win cases necked up to 6.5mm. Chris discusses how doughnuts can form when necking-up .243 Win brass and how doughnuts can interfere with bullet seating. Chris then explains how to remove the doughnuts using inside neck reaming. Click HERE to read article.

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April 4th, 2007

Free Ballistics Programs

On’s Ballistics Page, you’ll find the excellent JBM Ballistics program. This not only calculates bullet trajectory with great precision, but will also output clicks so you can create your own “come-up” chart to keep with your rifle. In addition, you can download FREE versions of Pejsa and Point Blank ballistics software. Point Blank is also a database that stores your favorite loads. Pejsa, an Excel spreadsheet with a sophisticated drag formula, is a great choice for VLD bullets (.Zip version). We normally store loads in Point Blank (resident on the computer), and generate come-up tables with JBM or Pejsa (for VLDs).

Here are links to more FREE Ballistics programs:

Big Game Info Ballistics Calculator

NFA Ranging Ballistics Computer (Excel file Download)

Federal Cartridge Ballistics (for loaded ammo)

Remington Shoot Ballistics Software (Software Download)

Shooting Times Ballistics
(Choose caliber for sample ballistics by bullet weight.)

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