The GKR-5MR is a 5″ drop-in fit MLOK rail for Bulgarian SAM and most 1.0mm stamped “AKM style” Kalashnikov Krink-Style PDW’s (will not fit Yugo or other non-Russian type PDW’s). Matches best with polymer ribbed upper handguards.
It mounts similarly to the factory handguards, you will need a factory style front handguard retainer
You can add your KVAR style stainless heat shields for added protection, and you can use your factory cleaning rod
Weighs 3.2 ounces with all hardware included
Minor fitting may be required
IS NOT COMPATIBLE with other types or makes of rifles at this time