This is the complete jig and tooling kit to finish your new SIG 320 frame! Everything you need to finish you your 320 in one kit. Reusable,Durable and easy to use this jig helps drill all holes required on your frame, and bend your tabs. Ready to build a Sig 320? Lets do it!


Only 2 left in stock



  • does not include P320 80% insert

Jig for 80% P320 Compatible Insert – MUP 1

Modular Universal Pistol 1 Completion Jig

Operations Required to Finish:

  • All Holes
  • Bend Slide Rails
  • Trim Rails to Size

Jig Kit Includes

  • Jig
  • Top Plate to bend tabs
  • All Tooling to finish 320 frame

Additional information

Weight 2 lbs
Minimum 4 characters