Strike Industries AR-15 Checkmate Compensator - SI-CM-COMP
$33.99 at GunMag Warehouse · 9 stores
In stock
Strike Industries JCOMP Gen2 Type 89 Compensator for 223/5.56 - SI-JCOMP2-223/5.56
Strike Industries · Muzzle Devices
No ratings yetBest price
$33.99at GunMag Warehouse
In stock Lowest in 30 dayschecked Nov 12, 2026
Fits and works with
- Caliber
- 5.56 / .223 · Shop matching ammo
Specifications
- Manufacturer
- Strike Industries
Dimensions and weight
- Length
- 2.55"
- Outside diameter
- 0.87"
- Weight
- 3.6 oz
Materials and features
- Color
- Black
Where to buy
| Store | Price | Availability | Buy | Add to build |
|---|---|---|---|---|
| GunMag Warehouse Best price | $33.99checked Nov 12, 2026 | In stock | Buy at GunMag Warehouse | |
| OpticsPlanet | $39.95Salechecked Nov 13, 2026 | In stock | Buy at OpticsPlanet | |
| MidwayUSA | $39.95checked Nov 13, 2026 | In stock | Buy at MidwayUSA | |
| Ammunition Depot | $43.99checked Nov 13, 2026 | In stock | Buy at Ammunition Depot | |
| AR15Discounts 5% off | $29.95Salechecked Nov 13, 2026 | Check store | Buy at AR15Discounts | |
| Dirty Bird | $39.95checked Nov 13, 2026 | Check store | Buy at Dirty Bird | |
| Palmetto State Armory | $39.99checked Nov 13, 2026 | Check store | Buy at Palmetto State Armory | |
| Brownells 17.76% off · ends Nov 15 · exclusions apply | $39.99checked Nov 13, 2026 | Out of stock | Buy at Brownells | |
| Rainier Arms | Check priceprice on the store's site | Check store | Buy at Rainier Arms |
Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.
Price history
Lowest in-stock price in the last 30 days: $33.99 at GunMag Warehouse. Dashed line = out of stock. Tracking since Sep 27, 2026.
Show the prices as a table
| Store | Latest | Lowest | Highest |
|---|---|---|---|
| AR15Discounts | $29.95 | $29.95 | $39.95 |
| Ammunition Depot | $43.99 | $39.95 | $43.99 |
| Brownells | $39.99 | $39.99 | $39.99 |
| Dirty Bird | $39.95 | $39.95 | $39.95 |
| GunMag Warehouse | $33.99 | $33.99 | $33.99 |
| MidwayUSA | $39.95 | $39.95 | $39.95 |
| OpticsPlanet | $39.95 | $39.95 | $39.95 |
| Palmetto State Armory | $39.99 | $39.99 | $39.99 |
Since Sep 27, 2026.
About this part
The Strike Industries JCOMP Gen2 Type 89 Compensator for 223/5.56 - SI-JCOMP2-223/5.56 is a 5.56 / .223 muzzle device from Strike Industries. It's sold by 8 stores (4 in stock), from $29.95 to $43.99. The lowest in-stock price in the last 30 days was $33.99 at GunMag Warehouse.
From the manufacturer
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. 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. Available in .223/5.56 NATO, .308/7.62x51mm, & 7.62x39mm.
Features:
• 2-chamber design greatly increases recoil management
• Hybrid muzzle brake/compensator
• Pre-drilled for pinning and welding
• Now also compatible with Oppressor and FerFrans concussion reduction devices
Rating
No ratings yet
Log in to rate this part.
Comments
Please log in to read and leave comments.
Similar muzzle devices
Strike Industries Miller Comp .223/5.56 - 1/2-28
$29.95 at MidwayUSA · 5 stores
In stock
KAK Industry Retro 5/8-24 AR-10 6" Extended Flash Hider
$33.99 at MidwayUSA · 3 stores
In stock
Kexuan .223/5.56 Muzzle Brake for AR-15 Steel 1//2x28 Black
$33.99 at OpticsPlanet
In stock Sale
Phantom 5C2 Flash Suppressor 22 Cal 1/2-28 Steel Phosphate
$34.00 at OpticsPlanet · 8 stores
In stock Sale
AR-15 Muzzle Brake 5.56 Black 1/2-28 Threads
$33.95 at MidwayUSA · 10 stores
In stock
