The SI JCOMP Gen2 is the classic Type 89 compensator re-engineered and updated for the 21st century.  Due to end user feedback, the favorite features of the original are retained, but the J Comp now features increased muzzle rise compensation, and is available in 7.62x39mm and .308/7.62x51mm in addition to 5.56×45/.223. Now also compatible with Oppressor and FerFrans concussion reduction devices.

The J-COMP concept comes from the Type 89 Japanese assault rifle used by the Japan Self-Defense Forces, the Japan Coast Guard’s Special Security Team units, and the Special Assault Team.

COMPATIBILITY: SI OPPRESSOR

Features:
-2 chamber design greatly increases recoil management
-Hybrid muzzle brake/compensator
-Pre-drilled for pinning and welding

for .223/5.56
-Length: 2.55″
-Weight: 3.6 oz
-Diameter (OD): 0.87″
-Diameter (ID): 0.26″
-Thread Pitch: 1/2-28
-Caliber: .223/5.56

Package Contents:
-x1 JCOMP Gen2 for AR .223/5.56
-x1 Crush washer