True Precision True-Lock Ultimate Compensator 9mm For Glock 43. The True-Lock Ultimate is the larger of our two planned True-Lock compensators with a 10-1 ratio of porting to bore size. This allows you to maximize your recoil managment no matter the ammo. It's market defining integrated locking block ensures that the compensator can be securely attached without damaging the firearm's barrel or threads nor does it require a thread locking compound for a secure fit. This offers a superior attachment method over traditional compsensators that are on the market. The Locking block feature also allows the compensator to be easily removed without causing damage to itself or the barrel thus allowing greater flexibility when swapping attachments on your threaded barrel. Specifications for True Precision True-Lock Ultimate Compensator: Manufacturer: True Precision Color: Black Caliber: 9mm Luger Finish: Black Included Accessories: Compensator Package Contents: True Precision True-Lock Ultimate Compensator What firearm models does the manufacturer say True Precision True-Lock Ultimate Compensator is compatible with? The manufacturer says that True Precision True-Lock Ultimate Compensator is compatible with SIG Sauer P365 Glock 43 Glock 43X Glock 48True Precision Mini Comp Compensator 9MM For