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. Product 223/556 Spec:
– 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 includes: – 1x JCOMP 2.0
– 1x Crush Washer
Features:
– 2 chamber design greatly increases recoil management
– Hybrid muzzle brake/compensator
– Pre-drilled for pinning and welding
– 1/2″x28 thread pitch
– for .223/5.56mm
.308/.300BLK Spec:
– Length: 2.55″
– Weight: 3.6 OZ
– Diameter (OD): 0.87″
– Bore Diameter (ID): 0.34″
– Thread Pitch: 5/8×24
– Caliber: .308/7.62
-Includes Comp and Crush washer
AK Product Spec 7.62×39:
– Length: 2.55″
– Weight: 3.6 OZ
– Diameter (OD): 0.87″
– Diameter (ID): 0.36″
– Thread Pitch: 14-1 LH thread
– Caliber: 7.62×39 Features
– 2 chamber design greatly increases recoil management
– AK Detent Notch
– No crush washer used or included
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