Swiss Precision

Our Precision for your mission

from the leading swiss arms manufacturer

Conversion kits

Conversion kits

1) Trigger housing aluminum CH

  • Assault rifle SG553 (CH)
  • approx. 120 g lighter than the standard trigger housing made of steel

2) Trigger housing aluminum US

  • Assault rifle SG553 (USA)
  • approx. 120 g lighter than the standard trigger housing made of steel

3) Loading lever straight

  • 34 552 664

4) Conversion Kit A1 SG552 to SG553

  • Delivery: Gas rod complete including closing spring, gas tube, loading lever and lock carrier.
  • Conversion Kit completeHA 34 552 848
  • Conversion Kit completeFA 34 552 849

5) Change system(without closure)

  • SG550LL 528mm, Drall 10“ or 7“

6) Change system(without closure)

  • SG551 LBLL 454mm, Drall 10“ or 7“

7) Change system(without closure)

  • SG551 SBLL 363,5mm, Drall 10“ or 7“

8) Change system(without closure)

  • SG553 LBLL 347mm, Drall 7“

9) Change system(without closure)

  • SG553 SBLL 271,5mm width ROTEX Flash hider Drall 7“

10) Change system(without closure)

  • SG553 SBLL 227 mm width Thread for standard muzzle damper swirl 10“ or 7“

11) Lock housing with LL 12“, 8“ twist

  • 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 caliber trigger system. .223 or GP90 is compatible with the WS.

    Conversion kits