JTS Group Dead Center, .22 Caliber Pellets, Semi Domed Tip, 21.53 Grain, 250 Per Tin JAC109 JTS Airguns was born from an idea among a group of air gun enthusiasts who want to take air guns to a new level. Their passion, expertise and experiences have played a huge roll in the creation of a high quality, competitively priced air gun line that will put the competitors on their heels. Serious shooting sports enthusiasts demand the right products for the perfect shot, and the engineering, quality and service meet that challenge.