Was browsing GB and saw a 22 inch 321 Bullbery barrel for sale. I am not familiar with this cartridge. Wondering if anyone knows the parent cartridge or where I can get ballistics, loading info or any knowledge of this cartridge.Check out this link:

http://gunbroker.com/Auction/V...m.asp?Item=122710801

Thanks in advance for any input.

Ssfe shooting
Doug

Enjoy life but, remember we are only practicing for something better.