Cetme - HK G3 - HK91 Compatibility

Cetme - HK G3 Compatibility 

YES, the below HK parts will work perfect on a Cetme

Barrels : Yes

Barrel Retainer Pins : Yes

Firing Pin : Yes*

Spring, for firing pin : Yes*

Rollers: Yes

+2, +4 Rollers: Yes

Retainer Plate and Roll Pin Retainer for Rollers: Yes

Extractor: Yes*

Extractor Spring: Yes*

Recoil Spring: Yes*

Backplate or Complete recoil Assembly : Yes with minor fitting to the plastic sleeve at the end of 

the spring guide rod

Complete Stock set : Yes with minor fitting to the plastic sleeve at the end of the spring guide rod

Collapsible Stock : Yes with minor fitting to the plastic sleeve at the end of the spring guide rod

Buttstock : Yes with minor fitting (needs the buffer hole matched to use the cetme buffer)

Grip Frames : Yes

Complete Trigger Pack : Yes (but no individual parts)

Rear Sight : Yes (but only if entire sight base is swapped)

Handguards, Slim : Yes

Handguards Wide : Yes with minor fitting. Just like the old style HK triple frame, the cetme has a bipod retaining ring that prevents the wide from installing

Pistol Grip : Yes

Triple Frames : Yes

Flash Hider : Yes

Eyeloop for triple frame : Yes

Cocking Handle : Yes*

Spring for cocking handle : Yes*

Pivot Pin for cocking handle : Yes

Mag Catch parts : Yes

Paddle mag release : Yes

End Cap, Dust Cover : Yes (but cetme will not fit g3)

Bayonet Adapter : Yes*

Bayonet : Yes* (only when using adapter)

Retainer Pins : Yes*

Blank Firing Adapter : Yes

Claw, Stanag Scope Mount : Yes

POF Carry handle and Port Buffer : Yes (carry handle slight modification to Cetme handguard)

*these items not only interchange but are an improvement over existing Cetme parts. Over the years

No, the below HK parts will not work on a Cetme:

Trunions : No

Bolt Carriers : No

Locking Lever for bolt carrier : No

Bolt Head : No

Locking Piece : No

Cocking Tube : No

Support for Cocking Handle : No

Recoil Buffer : No unless using HK buttstock

Individual fire control group parts like trigger, sear, hammer : No