KNS Precision AR15/M16 Gen 2 Non-Rotate Trigger/Hammer Pins Diameter-Dark Earth. 1555 Diameter Gen 2 Non-Rotate Trigger/Hammer Pins are for the POF Gen 3 and 4 receivers and they may possibly fit other receivers with ambidextrous bolt releases. KNS Precision constructed these AR15 Lower Parts from stainless steel with a black nitride coating to create the strongest pins possible that also resist corrosion and wear from constant use. This KNS Precision .1555 Diameter Gen 2 Rifle Pin Set is designed with special anti-creep retainers that prevent wear on your AR-15 receiver delivering premium performance without harming your rifle build. You can install this set without modifying your weapon and a pin installation tool and 2 Torx wrenches come with every purchase. Snag this KNS Precision Gen 2 Mod 3 NRTHP Pin Set for guaranteed performance at the range in the field or anywhere else you need to rely on your rifle. Specifications for KNS Precision AR15/M16 .1555 Diameter Gen 2 Non-Rotate Trigger/Hammer Pins: Manufacturer: KNS Precision Color: Dark Earth Fabric/Material: Stainless Steel Additional Features: .1555 Diameter Gen 2 Country of Origin: USA Gun Model: M16 AR-15 Features of KNS Precision AR15/M16 .1555 Diameter Gen 2 Non-Rotate Trigger/Hammer Pins Torque spec for screw-tightening should not exceed 11 inch-lbs 8 inch-lbs is recommended. Package Contents: KNS Precision AR15/M16 .1555 Diameter Gen 2 Non-Rotate Trigger/Hammer Pins Installation Guide Tool 2 Torx Wrenches What firearm models does the manufacturer say KNS Precision AR15/M16 .1555 Diameter Gen 2 Non-Rotate Trigger/Hammer Pins is compatible with? The manufacturer suggests that KNS Precision AR15/M16 .1555 Diameter Gen 2 Non-Rotate Trigger/Hammer Pins is compatible with AR-15 M16KNS Precision NRTHP-1555DE: AR15/M16 Gen 2 Non-Rotate Trigger/Hammer Pins .1555 Diameter-Dark Earth