double barrel shotgun, AMR9, tactical, matte black finish, wooden stock, detailed engravings, side-by-side barrels, pump-action, shell ejection, aiming down sights, finger on trigger, military gear, bulletproof vest, camouflage pants, combat boots, soldier stance, outdoor shooting range, sandbags, targets, clear sky, midday sun, dynamic shadows, high contrast, action shot, 3/4 view, intense expression, dust clouds, spent shells flying, realistic texture, sturdy structure, metal reflection, gun smoke.