505 Gibbs project

Whya505?

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So I acquired a CZ550 that was built by GA Precision as a 500 Battleship, Apparently a Rigby cut off around the shoulder and necked for a .510 projectile. I am have that rechambered to 505 Gibbs and am looking at doing some odd ball experimenting. Does anyone know of anyone that has worked up or QL-ed 750Gr Amax in the cavernous gibbs? I have an actual .505 Barrel to thread and chamber as well that was will go on it later in life.
 
I do not as the biggest I’ve seen is the 600 grain work up. Tagging this thread to stay informed.
 

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MANKAZANA SAFARIS wrote on Paul Shirek's profile.
Hi Paul,
This is Daniel from Mankazana Safaris.

I saw your post regarding a hunt in Africa. I am sure you have been bombarded with messages and replies from other outfitters, so I will keep this one quick.
I have a feeling we have exactly what you need for a first safari.
If you'd like to hear more, please don't hesitate to reach out.

Yours sincerely,
wheelerdan wrote on ACraig's profile.
If you ever decide to sell this rifle, I will buy it with the dies, bullet, brass, the works. Dan
American marketing tour update!

flights are booked Uber rides confirmed, car hire deposit paid! Hotels booked!

Im getting ready to go but first I have a 3 week photo Safari tour scouting some locations in the Limpopo province for future Photo safari tours! watch this space for awesome updates and footage !!!

Remember ISE Show 8-11 Jan in Denver Colorado!

Then from there I will be traveling by car for over a week
gregrn43 wrote on samson7x's profile.
Are you on Arkansas hunting net to?
 
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