"Ain't she a beauty, Clark?"

[Zen Archery]

20 GT AI, 20cal, 41gr HHT ready to bite into some coyotes!

 

[100percent]

Hot ****!!!

 

[DMP25-06]

View attachment 628479
20 GT AI, 20cal, 41gr HHT ready to bite into some coyotes!

What cartridge case is this based on ?
What is expected velocity , from 24" barrel ?

 

[DMP25-06]

"The little lights are not blinking , Clark".

 

[Sdvldog1371]

What cartridge case is this based on ?
What is expected velocity , from 24" barrel ?

Probably the same cartridge as the 22 GT...the 6 GT. A 41gr mono...thar thing has to be cooking.

 

[Lazy D]

DAYUM! That should be a laser beam.

 

[X'n Tex'n]

GT parent case is 6.5x47L

 

[HRM Johnny]

Fantastic. That is impressive. Excellent job, Sir.

 

[Zen Archery]

What cartridge case is this based on ?

6mm GT necked down to 20cal.

What is expected velocity , from 24" barrel ?

Light unfired formed case around 3800-3850
Full fire formed case pressure around 3325. Accuracy load around 3250.