Swiss Precision

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from the leading swiss arms manufacturer

Conversion kits

Conversion kits

1) SG55x trigger housing aluminium CH

  • Assault rifle SG553 (CH)
  • approx. 120g lighter than the steel variant.

2) SG55x trigger housing aluminium US.

  • Assault rifle SG553 (USA)
  • approx. 120g lighter than the steel variant.
  • for the use of AR15 / STANAG magazines.

3) Charging handle straight.

  • 71 009 485

4) Conversion kit SG552 to SG553

  • Includes: gas rod complete, gas tube, charging handle and bolt carrier
  • semi auto kit complete71 009 507
  • full auto kit complete71 009 508

5) Conversion kit (without bolt carrier)(without closure)

  • SG550various configurations possible

6) Conversion kit (without bolt carrier)(without closure)

  • SG551 LBvarious configurations possible

7) Conversion kit (without bolt carrier)(without closure)

  • SG551 SBvarious configurations possible

8) Conversion kit (without bolt carrier)(without closure)

  • SG553 LBvarious configurations possible

9) Conversion kit (without bolt carrier)(without closure)

  • SG553 SBvarious configurations possible

10) Conversion kit (without bolt carrier)(without closure)

  • SG553 SBvarious configurations possible

11) Conversion kit (without bolt carrier)

  • Gas pipe, gas nozzle, gas rod, straight loading handle, hand protection upper and lower part for SG553, silencer
  • Required if the existing system is a SG550 or SG551.

Any SG55x lower receiver in .223 Rem. / GP90 / .300Blackout is compatible with these conversion kits.

    Conversion kits