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Old 08-24-2018, 12:44 PM
Israel Putnam's Avatar
Israel Putnam Israel Putnam is offline
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Originally Posted by 7.5x55 Swiss View Post
Really? The V-Max are almost twice the cost of the Z-Max on Midway. Wonder why the V-Max is pricier when they're the same.
You’ve just stumbled upon one of the greatest varmint ammo reloading secrets ever.

The Z-max is cheaper because the zombie craze has died down and now the zombie marketed bullets are cheaper.

The Z-max and V-max are the same, the A-max is different from those two.
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Old 06-23-2019, 08:31 PM
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my friend got a 1-7 twist 18" SS upper for a DMR type rifle.
He has been using heavier bullets but getting poor results.
He tried lighter bullets and got better results.

Im thinking he might need to increase powder charge on the heavier ones.


He really needs a chrono..

any ideas?

Example of good groups and load data and bad groups with ammo data.
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Old 06-23-2019, 11:45 PM
AZ_HighCountry AZ_HighCountry is offline
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Originally Posted by SCPigpen View Post
my friend got a 1-7 twist 18" SS upper for a DMR type rifle.
He has been using heavier bullets but getting poor results.
He tried lighter bullets and got better results.

Im thinking he might need to increase powder charge on the heavier ones.


He really needs a chrono..

any ideas?

Example of good groups and load data and bad groups with ammo data.
A chrono always helps when developing loads. What bullets and powder is he using? What brass? Primers?

I (finally) completed my "in the wild" SPR clone a few months ago. It is shooting dime sized groups at 200 yards. The load is the same as in my XTC service rifles; LC case, Rem. 7-1/2 primer, currently 24.0g Varget and a Sierra 77g Matchking. Muzzle velocity right around 2750 out of the service rifle.

Who is the barrel supplier?
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Old 06-24-2019, 12:21 PM
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SCPigpen SCPigpen is offline
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Originally Posted by AZ_HighCountry View Post
A chrono always helps when developing loads. What bullets and powder is he using? What brass? Primers?

I (finally) completed my "in the wild" SPR clone a few months ago. It is shooting dime sized groups at 200 yards. The load is the same as in my XTC service rifles; LC case, Rem. 7-1/2 primer, currently 24.0g Varget and a Sierra 77g Matchking. Muzzle velocity right around 2750 out of the service rifle.

Who is the barrel supplier?
its a PSA barreled upper so Im not expecting too much. Based on the smaller group pictured and one other I did not photograph, it has some potential.

The spec of the ammo is pictured
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Old 06-24-2019, 10:14 PM
AZ_HighCountry AZ_HighCountry is offline
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I only see 2 groups but 4 different load types. How did all compare?

Is he 100% certain it is a 7 twist and not mismarked? I could never get 75s to group in a 9 twist whereas anything 69 and smaller held tight.

How many rounds through the barrel?
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