EFK Fire Dragon
Ruger 5.7 Barrels
Browse parts and check the source behind each answer.
Manufacturer
Ruger
Model & version
Ruger-5.7
Mounting details
Ruger-5.7 optic adapter plates, MIL-STD-1913 Picatinny
Parts listed
3 total
Ruger 5.7Barrels
What the compatibility labels mean
How we knowHow we check compatibility
- Lab testedFit checked by Firearm Lab for the recorded setup.
- Documented fitmentSupported by manufacturer, partner, or reviewed community evidence.
- Interface matchMounting details match, but this exact model and part have not been confirmed to fit together.
Check your exact model and part before ordering. Fitment limits
EFK Fire Dragon2
Based on manufacturer information — Aug 2026. Based on manufacturer information — Oct 2026.EFK Fire DragonRuger 57 Threaded M10x1.0 Barrel with 1/2x28 Adaptor
Part no. R5728THR
Radian Weapons1
Source needs review.Radian WeaponsAFTERBURNER + RAMJET for RUGER