3/4 MOA, 261 yr - Airgun in Strong Wind 

3/4 MOA, 261 yr - Airgun in Strong Wind
Ammunitions: ATP King .25 67 grain ( CNC turned lead slugs )
More information about Altaros ATP King .25
Airgun: this is a pre-production model with aluminium stock that uses the same technology as the PCP airgun Altaros M24 :
RU-vid Audio Library :
Echinoderm Regeneration by Jingle Punks from RU-vid Audio Library goo.gl/YmnOAx
Pentagram by Audionautix (audionautix.com)