Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
Government Export Restriction Government Export Restriction
You May Also Like
Coupon Available Magpul Industries PMAG GEN M2 MOE AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI571BLK-30RD
Magpul Industries PMAG GEN M2 MOE AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI571BLK-30RD
(61)
List: $13.95 $12.75 Save Up to $1.20
Coupon Available Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine w/Capacity Window, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI556BLK-30RD
Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine w/Capacity Window, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI556BLK-30RD
(57)
List: $18.95 $17.95 Save Up to $1.00
Coupon Available Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI557BLK-30RD
Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI557BLK-30RD
(41)
List: $15.95 $14.75 Save Up to $1.20
Coupon Available Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine w/Capacity Window, .223 Rem/5.56x45mm NATO, 30 Round, Medium Coyote Tan, 1 Pack, Polymer, MAG556-MCT-30RD
Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine w/Capacity Window, .223 Rem/5.56x45mm NATO, 30 Round, Medium Coyote Tan, 1 Pack, Polymer, MAG556-MCT-30RD
(57)
List: $18.95 $17.95 Save Up to $1.00
Coupon Available Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 20 Round, Black, 1 Pack, Polymer, MAG560BLK-20RD
Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 20 Round, Black, 1 Pack, Polymer, MAG560BLK-20RD
(26)
List: $15.95 $14.95 Save Up to $1.00
Coupon Available Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 30 Round, Medium Coyote Tan, 1 Pack, Polymer, MAG557-MCT-30RD
Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 30 Round, Medium Coyote Tan, 1 Pack, Polymer, MAG557-MCT-30RD
(41)
List: $15.95 $14.75 Save Up to $1.20
Coupon Available Magpul Industries PMAG GEN M2 MOE AR-15/M16/M4 Rifle Magazine w/Capacity Window, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI570BLK-30RD
Magpul Industries PMAG GEN M2 MOE AR-15/M16/M4 Rifle Magazine w/Capacity Window, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI570BLK-30RD
(14)
List: $16.95 $15.75 Save Up to $1.20
Coupon Available Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Remington, 40 Round, Black, 1 Pack, Polymer, MGMPI233BLK-40RD
Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Remington, 40 Round, Black, 1 Pack, Polymer, MGMPI233BLK-40RD
(13)
List: $23.95 $22.45 Save Up to $1.50
Best Rated Walker Defense Research Nero 556 Hybrid Muzzle Brake and Compensator, 1/2x28 Threads, NERO556
Walker Defense Research Nero 556 Hybrid Muzzle Brake and Compensator, 1/2x28 Threads, NERO556
(18)
List: $219.99 $169.99 Save Up to 23%
Amend2 Banana Mod-2 Magazine, AR-15/M4/M16, 5.56x45mm NATO/.223 Remington, 30 Round, Yellow, 1 Pack, Polymer, 556BANANA30-30RD
Amend2 Banana Mod-2 Magazine, AR-15/M4/M16, 5.56x45mm NATO/.223 Remington, 30 Round, Yellow, 1 Pack, Polymer, 556BANANA30-30RD
(1)
List: $31.99 $22.99 Save Up to 28%
Questions & Answers
What thread pitch is this item? Expert Answer

The Strike Industries Checkmate Comp has a thread pattern of 1/2x28.

by Hunter, Gear Expert, May 3, 2022
I cannot seem to find what wrench size I will need, its not the standard 3/4 inch/ 19mm. Whats size is it?

you'll need a 22mm crowfoot wrench.

by Sean Roland, Verified Owner, January 1, 2022
Customer Reviews
Helpful Positive Review
Amazing muzzle break by Bacca, Verified Owner, June 2, 2021
Another great short muzzle device that mitigates recoil with a gas port on the right side.Great glass breakers tactical prongs and CA compliant what else could you want. Strike has done it again and for a bargain of a price.
1/1 found this helpful
Helpful Positive Review
Strike industries checkmate comp. by Sal, August 10, 2017
I've replaced my A2 flash hider to a strike industries checkmate comp.,i wanted to eliminate muzzle rise,it did the job for under $40,great design and quality! Strike industries makes other great flash hider and compensator,also great prices on optic...
Read More...
4/5 found this helpful
Helpful Positive Review
Effective, great price by PappaDev, April 28, 2021
Definitely helps with your follow up shot.Very pleased with the design.The single chamber keeps the excess noise down more than I expected. Looks sweet, great price and cuts down rise and recoil! 100% Recommend
1/1 found this helpful
Helpful Positive Review
Aggressive and Effective by Supbraddah, Verified Owner, January 1, 2021
The Checkmate Comp is another sleek yet aggressive addition to the Strike Industries muzzle lineup. Noticeable muzzle control improvement vs an A2 or other open ended devices. End can be used to break glass or inflict damage on a softer medium if nec...
Read More...
1/1 found this helpful
Helpful Positive Review
Great buy. by Nathan Powers, Verified Owner, November 21, 2018
This muzzle break is great all around. It looks mean, it’s not bulky, and it noticeably decreases recoil while shooting .223 out of an AR-15. For what it is, I think it’s well worth the $40. Looks awesome, feels awesome, shoots awesome.
1/1 found this helpful
Helpful Negative Review
Threads are messed up…. by Teddysurf, Verified Owner, May 21, 2021
I’ve had to strike industries muzzle devices and both of them have had messed up threads… what I mean by messed up is at the very beginning of the threads they are deformed and really rough. You can feel the roughness when you go to screw the comp on...
Read More...
1/2 found this helpful
Read All 11 Reviews

We've got an AWESOME deal for you!

Blazin' Deal
Prices have been cut drastically on this product as part of a special offer. These prices are so low that there's no double-dipping with coupons or any additional discounts, but you'll still get the best deal out there. This offer won't last long, so don't miss out!
Color:
Black
Caliber:
.223 Remington

Code: 3Q-RMC-SICKMTCMP-SI-CM-COMP

MPN: SI-CM-COMP

UPC: 700371179830

Blazin' Deal
List: $39.95Save $1.96
$37.99

  • Strike Industries Checkmate Compensator, Fit .223 Caliber, Black, One Size, SI-CM-COMP
  • Heresy Design Silencer Timing Device, 1/2in Threads, Black, HSTDA
As low as $46.94
You Save Up to $2.96
OP Bucks$0.18

Product Info for Strike Industries Checkmate Compensator

The battlefield is a game of life and death. Any warrior will tell you having a mental toughness and a sharp mind will give you an advantage in the chess game of combat. It is with this in mind that Strike Industries introduces the Check Mate compensator! The Checkmate Comp is a top quality, multifunctional muzzle instrument that is designed with a series of four off-set serrated angled prongs which stabilize climb and recoil. The top port set to the right, benefits right-hand shooters with minimizing excessive climb. The aggressive front is an added feature that makes sure no one gets too close. The parkerized steel, design, and detail attest to the quality that SI continues to provide. The Check Mate is sure to dish out the maximum amount of royal pain! If you are interested in a blast shield be sure to check out our combination product page with the FF-CRD offering for this device!image

WARNING: California`s Proposition 65

Specifications for Strike Industries Checkmate Compensator:

Manufacturer: Strike Industries
Color: Black
Caliber: .223 Remington
Condition: New

Features of Strike Industries Checkmate Compensator

  • Aggressive front serrated prongs
  • Top port for right hand shooters
  • Parkerized Steel finish
  • Offset angled to increase stability
  • Two paralleled ports to expel gas

Package Contents:

  • Strike Industries Checkmate Compensator
  • 1X Check Mate Comp

Strike Industries Checkmate Compensator Orderable Models

List of Orderable Models

  • Strike Industries Checkmate Compensator, Fit .223 Caliber, Black, One Size, SI-CM-COMP , MPN: SI-CM-COMP , UPC: 700371179830 , Code: 3Q-RMC-SICKMTCMP-SI-CM-COMP
Compare (0)
Last updated 2026-09-09 UTC.