: Found at SMF Tactical or Tenda Canada .
To complete the assembly for (a commonly referenced file for a 3D-printable firearm component), you typically need a standard AR-15 Fire Control Group (FCG) and a Lower Parts Kit (LPK) . Essential Components FAPv1.zip
: If you need the safety selector and detents as well, look for kits from Black Rifle Depot . Fire Control Group - smf tactical, inc. : Found at SMF Tactical or Tenda Canada
: You will need a hammer spring, trigger spring, and disconnector spring. and disconnector spring.