These non-rotating trigger and hammer pins are engineered to be the strongest available specifically crafted to endure the high impact stresses of both full and semi-automatic 9mm .223 and 7.62mm suppressed firearms. Constructed from stainless steel these pins come with black nitride-treated side plates while additional color options are enhanced with DuraCoat. A must-have accessory for M-16 enthusiasts these pins also offer optimal protection for AR-15 rifles.The pins feature a maximum torque specification of 11 inch-pounds with a suggested torque of 8 inch-pounds for optimal performance. They are designed to withstand the demands of both semi and full-auto firing effectively preventing movement while the weapon is discharged.