KNS Precision AR15/M16 Gen JJ Non-Rotate Trigger/Hammer Pins .154 Diameter-Stainless Steel NRTHP GEN JJ-SS. The use of non-rotate trigger and hammer pins aids in consistency and accuracy as the user can fine tune the trigger pull. These pins are manufactured to the industrys highest standards to tight military specifications. They are manufactured from KNPS Certified .154 stainless steel for strength and durability. This is the same high quality material as is used in KNS Precision Slide Pins and as such makes the KNS Precision Non-Rotate Trigger/Hammer Pins the pins of choice for government issue military and high end consumer end uses. These pins are corrosion resistant and made to last Specifications for KNS Precision AR15/M16 .154 Diameter Gen JJ Non-Rotate Trigger/Hammer Pins: Manufacturer: KNS Precision Additional Features: .154 Diameter Gen JJ Gun Model: M16 AR-15 Country of Origin: USA Package Contents: KNS Precision AR15/M16 Gen JJ Non-Rotate Trigger/Hammer Pins What firearm models does the manufacturer say KNS Precision AR15/M16 .154 Diameter Gen JJ Non-Rotate Trigger/Hammer Pins is compatible with? The manufacturer suggests that KNS Precision AR15/M16 .154 Diameter Gen JJ Non-Rotate Trigger/Hammer Pins is compatible with AR-15 M16KNS Precision NRTHP GEN JJ-SS: AR15/M16 Gen JJ Non-Rotate Trigger/Hammer Pins .154 Diameter-Stainless Steel