![]() ![]() ![]() 95% of the rounds shot at USPSA competitions were subsonic rounds using bullets heavier than 115 grain, with 147 grain making up 47% of the loads. Competitors also note that subsonic ammo seems to run cleaner in their guns as there is less powder being burned. When shooting at longer ranges, subsonic ammo may be more accurate than supersonic ammo. As the bullet travels, it will lose velocity as the distance traveled increases, and becomes transonic (crossing from supersonic back to subsonic). This may cause you to miss or go off target at extended ranges, as this transition can destabilize the bullet in flight. ![]() Subsonic bullets do not experience transonic destabilization so they have a more predictable trajectory and deliver more energy on target. The best 9mm subsonic ammo for pistols and rifles could be manufactured by SIG SAUER and Hornady. For a subsonic self-defense round, Hornady makes a 147gr JHP XTP with a muzzle velocity of 975 fps. For training and general range use, a favorite is the SIG SAUER 147 GR Elite Ball with a muzzle velocity of 985 and has been lauded by customers as “ great quality ammo. ” The American Eagle 124gr Suppressor 9mm cartridge is excellent for practicing and has a muzzle velocity of 1030 fps. When you're shooting a PCC, Seismic Ammo even makes 185gr rounds with a 950fps muzzle velocity made for suppression on longer barrels and an increased payload on hits.Īs more Americans choose subsonic ammo, manufacturers are increasing their production to provide more good subsonic options. The way you plan to use your firearm is a good guide for which subsonic ammo is best for you. ![]()
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