SOLD 220 Weatherby Rocket Startup Bundle

OrcPounder

Silver $$ Contributor
I have for sale a startup bundle for Weatherby’s 220 Rocket cartridge. If you ever wanted to start with the 220 Swift, the world’s fastest production cartridge, and make it go faster here’s your chance.

The bundle includes:
  • A Savage small shank fluted stainless steel barrel in 220 Swift that was re-chambered for the 220 Rocket by Coleman. This is the 26” factory barrel 1:14 twist with life left. See bore images.
  • A Newlon Precision neck sizing die also cut by Coleman.
  • L.E. Wilson chamber seating die, also chambered by Coleman.
  • CH die set: full-length resizing and seating die (with instruction sheets).
  • 85 pieces of Winchester 220 Swift brass that have been 1st fired-form for the 220 Rocket. Deprimed, wet tumbled and annealed. Brass is ready to go.
  • Two reference dummy rounds: a 40gn, a 60gn.
  • Modified fire-formed case for measuring maximum COAL with instructions.
  • Wilson 22 PPC case holder (for trimming the 220 Rocket cases)
  • 3x LEE #10 shell holders.
  • Cartridge specifications page from the Ken Howell book.
If you not familiar with this cartridge, it was Roy Weatherby’s first high-performance cartridge introduced in 1943 based on the 220 Swift that Winchester introduced in 1935. Unlike all the newer Weatherby cartridges the 220 Rocket isn’t belted and easily fired-formed from the 220 Swift.

I had the opportunity to work with the 220 Rocket and pull his bundle together but I don’t have a long-term requirement for this round and would like to pass it on. Here are some potential places to explore:

  • Build up a Savage bolt gun with this barrel, load up ammunition and be stunned by the speed you can reach.
  • If you’re fortunate to have one of the early Weatherby Mausers chambered for the 220 Rocket, this is your opportunity to load ammunition. The Rocket cartridge wasn’t available commercially and exists only as a wildcat.
  • Chamber a new 224 barrel for light bullet varmint loads or run a faster twist and run heavier bullets, e.g., 69 to 80 grains. Not to worry, one if not two companies still make the chamber reamers, and to limit cost, your gunsmith can even rent them.
$650 shipped, CONUS only please.
 

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I haven't measured it myself, but in Ken Howell's Designing and Forming Custom Cartridges for Rifles and Handguns he states 80 grains water.

This thing is big… Attached is the 220 Weatherby Rocket compared to a 223 Remington :-o

...Don
 

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Centershot... Long-action Savage 308 boldface. This barrel was from a late '90s Savage Md 112 BVVSS(?) chambered for the standard 220 Swift. You can think of the 220 Rocket as an "Improved" 220 Swift.

Attached is an image (ref) of the rifle we're talking about.
 

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