Radical Firearms Radical Firearms KFM Taper Lock Flash Hider 25/32x24 for M240/MK48. Originally designed around an agency requirement to reduce visible flash signature by 90percent over a standard A2 Birdcage with the flash hiding geometries not exceeding the form factor of the A2 Birdcage while also acting as a suppressor host. The KFM is the smallest combination flash hider and suppressor mount we could design while meeting all of the required performance specifications.Adaptable all the way from 5.56mm carbines to 12.7mm machine guns with various thread pitches available the KFM is the standardized mount to install RD suppressors for whatever the mission set. Specifications for Radical Firearms KFM Taper Lock Flash Hider 25/32x24 for M240/MK48 6E7831FC: Manufacturer: Radical Firearms Color: Black Caliber: 5.56mm .50 BMG Finish: QPQ Finish Fabric/Material: Steel Threads per Inch: .7812-24 Gun Make: FN Herstal Gun Model: FN M240 Length: 55.9 - 62.2 mm Outer Diameter: 1 in Weight: 3.36 oz Package Contents: Radical Firearms KFM Taper Lock Flash Hider 25/32x24 for M240/MK48 The RD KFM taper lock flash hider is our in-house designed suppressor mount. Originally designed around an agency requirement to reduce visible flash signature by 90percent over a standard A2 Birdcage with the flash hiding geometries not exceeding the form factor of the A2 Birdcage while also acting as a suppressor host. The KFM is the smallest combination flash hider and suppressor mount we could design while meeting all of the required performance specifications.Adaptable all the way from 5.56mm carbines to 12.7mm machine guns with various thread pitches available the KFM is the standardized mount to install RD suppressors for whatever the mission set. KFM240/48