Description
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 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
Additional information
| Weight | 3.52 oz |
|---|---|
| Dimensions | 2.55 × 0.87 × 0.87 in |
| Muzzle Device Type | Compensator |
| Threads | 1/2×28 |
| Cartridge Compatibility | .22 (.223/5.56/.224, etc.) |
| Finish | Nitride / Melonite |
| MPN | SI-JCOMP2-223/5.56 |
| UPC | 708747545739 |














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