20 VARTAG TURBO

 

This cartridge, together with its smaller sister, the 20 Vartag, was developed by my very good friend Todd Kindler. Todd is the most knowledgeable person I know when it comes to those small calibers. And being one of the most down to earth, kindest person you are ever likely to meet, despite having Dwight as his Big Game Consultant, we all enjoyed having him on safari.  

The following data was developed in a custom rifle built on a Sako S 491 action with a 25 varmint weight barrel.

We installed the rifle in a McMillan Marksman stock, painted green, and to match it, we painted the flutes green too. The result was a very pleasant looking rifle. A Leupold 6.5-20 scope was installed in Leupold mounts.

Berger 36 grain HP, molly coated bullets were used, in Norma 222 brass and the Federal 205 primers. All groups are 5 shots at 100 yards.

 

POWDER

VELOCITY

GROUP

16.5 VVN 130

2703

0.529

17.0

2807

0.451

17.5

2881

0.278

18.0

2977

0.460

18.5

3061

0.608

19.2

3171

0.587

19.9

3301

0.377

20.6

3437

0.826

21.3

3548

0.840

22.0

3657

0.391

22.7

3749

0.651

 

 

 

18.0 H 4198 SC

3025

0.347

18.7

3162

0.578

19.0

3218

0.103

19.5

3308

0.464

20.0

3400

0.493

20.5

3524

0.312

21.0

3615

0.519

21.5

3702

0.174

22.0

3751

0.437

22.5

3832

0.326

21.0 REL 7

3536

0.761

21.5

3666

0.286

22.0

3731

0.358

21.0 VVN 133

3286

0.584

21.5

3365

0.321

22.0

3455

0.404

22.5

3560

0.393

23.0

3627

0.212

23.5

3721

0.449

22.0 H 322

3380

0.444

22.5

3456

0.424

23.0

3520

0.291

23.5

3621

0.365

24.0

3726

0.466

24.5

3805

0.396

 

 

 

 

 

 

 

 

 

 

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Last updated November 17th, 2000