This is a KNS Precision, Inc. Trigger Pins known as the .154 Diameter, model NRTHP-154.
These are the STRONGEST pins that can be produced and were designed to withstand the high impact of full and semi-auto 9mm" .223" and 7.62mm suppressed weapons. The pins are stainless steel. Black side plates are black nitride treated" all other color options are DuraCoated. An absolute must-have for all M-16 owners. They will also protect your AR-15.
Features:
11 Inch/Lb. Maximum Torque Spec- 8 Inch/Lb. Suggested
Withstands Semi and Full-Auto
Prevents Pins from Moving While Weapon is Fired
