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