• Durable stainless steel pins
  • Special anti-creep retainers that prevent wear on your irreplaceable receiver
  • No modification to firearm required during installation.
  • Available in Black, OD Green, Silver, Zombie Green, Blue, Red, and Flat Dark Earth finish


  • Material: Stainless Steel
  • Finish:
    • Black: Black Nitride
    • Other Colors: DuraCoated
  • Weight: 0.28 oz.
  • Side Plate Thickness: 0.12"
  • Pin Diameter: 0.154"


  • AR-15 and AR-10

**The external width of some AR receivers may vary in the trigger/hammer pin area depending on the manufacturer. These pins may be shortened a small amount by carefully filing material evenly from both ends of the pins, but being too long will not affect the function or performance.

**The maximum torque Spec on the screw is 11 inch/lbs. (Over-torquing the screws can cause damageto these side plates)

**There is no strength difference between the Gen 2 and Gen 2 Mod 2 sideplates. The only difference is appearance.


  • 1x Trigger Pin
  • 1x Hammer Pin
  • 2x Anti-Rotating Side Plates
  • 2x Set Screws
  • 2x Torx Wrenches
  • 1x Pin installation tool


It's long been standard practice to safety-wire critical connectors and fittings on aircraft. They used safety-wire to make 100 percent certain that nothing moved. Unfortunately, this process is not possible with your gun, even if it was it would be ugly. On the plus side, you get the chance to accomplish the same thing with a set of KNS anti-rotation pins.

Why Do I Need AR-15 Anti-Rotation Pins?

In quick succession, trigger and hammer pins coming loose and "walking out" during rapid fire is a common problem when firing full-auto AR-15s or firing semi-autos. If you as a AR owner is experiencing this problem, you have come to right place. The KNS Precision Generation 2, Modification 2 Non-Rotating Trigger and Hammer Pins eliminate this problem by attaching the two pins to one another with a set of exterior stainless steel retainers.

Undoubtedly, when you install a set of AR-15 anti rotation pins, you have taken the single best precaution to eliminate pin rotation and walk. Something as quick and simple to install as a little KNS hammer and trigger pin just gave you one less thing to worry about. A set of KNS AR-15 non rotating pins comes to you with a valuable, conical, brass guide. The design of this guide makes installing your KNS anti-rotation pins easy because it keeps tension on the trigger group during the switch.

KNS Hammer And Trigger Pin Are Easy To Install

Is installing a set of AR-15 anti rotation pins something you really should consider? Well, that depends on several things. Quite a number of things can cause your pins to walk out on you. Automatic fire, an improperly tuned gun, excessive recoil, and some receivers have holes that are a bit out of tolerance to begin with. Ultimately, if you shoot enough the pins will move. The answer is a KNS hammer and trigger pin set, it puts a stop to all pin movement. Stop rotation, stop pin walk, stop receiver wear, install KNS AR-15 non rotating pins. This mod will not interfere with operation of your AR-15's exterior controls in any way. In fact, the installation can be performed without any permanent modifications or gunsmithing knowledge!

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