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Updated for the 21st Century, the SI J-COMP V2 is a high quality upgrade for your next AR build. Based on the Japanese Type 89 compensator, this two chamber muzzle brake/compensator hybrid has been reengineered to combat muzzle rise. Superior design and superb function are what sets SI parts and components apart from the crowd.
Features and Specifications:
Manufacturer Number: SI-JCOMP2-223/556
AR-15 Type 89 Japanese Compensator
.223/5.56 Muzzle Brake/Compensator Hybrid
2 Chamber Design
Pre-Drilled
Threaded: 1/2"x28 TPI
Outside Diameter: 0.87"
Inside Diameter: 0.26"
Material: Steel
Finish: Black
Includes:
Crush Washer
Updated for the 21st Century, the SI J-COMP V2 is a high quality upgrade for your next AR build. Based on the Japanese Type 89 compensator, this two chamber muzzle brake/compensator hybrid has been reengineered to combat muzzle rise. Superior design and superb function are what sets SI parts and components apart from the crowd.
Features and Specifications:
Manufacturer Number: SI-JCOMP2-223/556
AR-15 Type 89 Japanese Compensator
.223/5.56 Muzzle Brake/Compensator Hybrid
2 Chamber Design
Pre-Drilled
Threaded: 1/2"x28 TPI
Outside Diameter: 0.87"
Inside Diameter: 0.26"
Material: Steel
Finish: Black
Includes:
Crush Washer
SIJComp Compensator
The JComp does a good job with recoil if you don’t mind a little extra concussion felt at the sides and behind the trigger. If that’s an issue, I’d suggest pairing it with the SI Oppressor.
April 4, 2022
Very nice comp better get you one!!!!!!
December 29, 2021
Get one now!
Great muzzle device for your AR.
October 8, 2018
Does what it say.
This is very good muzzle brake, it works very well to reduce muzzle rise and reduce recoil. It's a good value for the money. I would say it's one of the better ones but not the best. I would recommend this.
June 16, 2018
Will this fit on Hellpup 556?
Answer:
If your barrel is threaded 1/2"x28, then this will fit. From what I am seeing online both the 7.62x39mm and 5.56x45mm Hellpups have muzzles threaded the traditional 14x1 LH.
Is this considered a flash hider? I’m in NJ and cannot have a flash hider.
Answer:
No this is not a flash hider. This is a considered a muzzle brake / compensator. However, we unfortunately do not sell muzzle brakes to New Jersey. I apologize for the inconvenience.