Is AR9 Lower Parts Kit Same As AR15

By /

AR9 lower parts kit is the same as AR15 except for the modified ejector and magazine catch. As far as the trigger goes, The AR-9 trigger has a heavier hammer than the AR15 trigger, so it hits harder.

Its design is special for the AR-9, making it hit the firing pin with more force and less shake, which ensures primer hits to make the gun go bang.

Disclosure: All products have affiliate links for earning commission to support the website when you purchase

ar9 part list

AR Lower Parts Kit Compatibility

The AR9 lower can use most AR-15 lower parts and upgrades, like a better grip from BCM or an AR-15 trigger from a wide range of options.

9mm ar9 build guide

AR9 lower parts kit include:

  • Disconnector
  • Hammer
  • Trigger
  • Safety
  • Bolt catch
  • Front pivot pin
  • Magazine catch
  • Rear takedown pin
  • Sear (built into trigger)
  • Springs and retainer pins
  • Pistol grip
    • Scroll to Top