25 Cal Air Rifle Hog Hunting, The author has hunted successfully with air rifles for decades. The Gamo Magnum GR Break Barrel Air Rifle is a solid choice for hunting with its 0. 25 caliber air rifles are often used for hunting small to medium animals as well as for target practice. Here are 10 rifles suited to quell the swine rebellion. 25 caliber air rifle hog hunting in Oklahoma. 25 caliber. We put 15 of the best air rifles through a head-to-head test that included accuracy, power, and ease of use. (For more on how to Check out the The High Road Supporters Page here: https://bit. This guide is built for U. 25 caliber Avenger PCP air rifle and NSA 29 grain slugs! The Air Venturi came out a few years back, an.