Precision Armament M4-72 Severe-Duty® Compensator 5.56mm/.223 1/2×28 Thread Matte Black


Features an innovative reverse venting triple baffle design for the highest recoil reduction in its class. The M4-72 is an extremely lightweight (2.6 oz) and compact design that delivers industry leading recoil reduction of up to 75%. Closed bottom construction combined with upward biased venting effectively eliminates both muzzle rise and dust signature. Precision machined from heat treated stainless steel for superior durability, the M4-72 can withstand the extreme heat of combat conditions without being subject to rapid erosion. Available with an advanced Ionbond® high temperature CrCN coating (matte black), or stainless steel in-the-white (satin grey). Accu-Washer™ Muzzle Alignment System required for installation.

.223/5.56mm model is designed to fit MSRs and features 1/2-28 threads. Delivers industry leading recoil reduction of 73-75% for standard 223 Remington. Will accept many devices designed to fit over the standard A2 flash suppressor.


  • 74% recoil reduction
  • Innovative reverse venting, triple baffle design
  • Upward gas biasing to mitigate muzzle rise, as well as a closed bottom to eliminate dust signature
  • Will accept many devices designed to fit over the standard A2 flash suppressor
  • Built for Severe-Duty®
  • Industry Leading Performance
    • Innovative reverse venting triple baffle design provides the highest level of recoil reduction and muzzle control on the market. Delivers over a 70% reduction in recoil energy for most cartridges.
  • Effortless Muzzle Control
    • Side vents are precisely canted upward to eliminate muzzle climb resulting in near zero
      muzzle movement while also minimizing dust signature when shooting prone.
  • Compact Rugged Design
    • FEA optimized for maximum durability and impact resistance in a compact, lightweight package.
  • Superior Heat & Corrosion Resistance
    • Precision machined from heat treated stainless with a high temperature Ionbond® CrCN matte black finish for superior durability. The M4-72 can withstand the heat of combat conditions without being subject to rapid erosion.
  • Perfect Bore Alignment
    • High tolerance class-III threads machined in same operation as bore aperture to guarantee perfect concentricity for optimum accuracy.


Performance (Relative to Bare Muzzle/Thread Protector):

Primary Muzzle Device Type Muzzle Brake Recoil Reduction* (%) 74
Gas Blowback at Shooter’s Position Moderate-high Backblast Zone (Degrees) 60
Concusiveness Moderate Muzzle Flash Increase Moderate-high
Follow Up Speed Increased


Timing Required Yes Built-in Indexing No
User Tunable Port/Baffle Orientation Field Removable by Default No
Ease of Cleaning Good Blast Shield Interface None


Thread Size (in) 1/2 – 28 Material HTSR 416 Stainless Steel Bar, HRC 26 – 32
Finish Matte Black CrCN Bore Clearance Diameter (in) 0.283
Max Baffle Angle (Degrees) 40 Length (in; cm) 2.250; 5.715
Width (in; cm) 0.865; 2.1971 Height (in; cm) ~0.8; 2
Weight (oz; g) 2.6; 73.7088 Maximum Compatible Bullet Diameter (in; mm) .223; 5.56

Additional Information:

*Recoil reduction measured on high precision recoil pendulum from a 16″ barrel using 55Gr FMJ .223 Remington.

I don’t see my caliber listed, which one do I select?

When selecting a caliber for one of our muzzle devices, the correct choice is based on your cartridge’s actual bullet diameter. For example; if you have a .300 Win Mag, you would select a 7.62/.308 muzzle device. This is because the bullet for that cartridge is a .308″ diameter.

Warning: Reverse venting design may cause excessive blast/concussion on barrels shorter than 14.5″ and on bullpup style rifles.

Can I put this on my shorter-than-14.5″ barrel?

You can, we just don’t really recommend it. Reverse-venting brakes do just that; vent gases in the reverse direction from where they were traveling. This design is how such high recoil reduction ratings are achieved. But because of that, gases and concussion are directed back to the shooter. Barrels below 14.5″ can cause these forces to be quite drastic to some individuals, and more extreme depending on what caliber you are shooting.

Manufacturer SKU A04002


Manufacturers, importers, suppliers, and distributors may make changes to their products without fanfare. Such changes can lead to discrepancies between the advertised product and the actual product in inventory. While International Shooting Supplies Ltd. endeavors to correctly describe the actual product in inventory, we will not be responsible for unintentional inaccuracies in text and images of the advertised product.

Weight 0.5 kg

Precision Armament


223 Remington, 224 Valkyrie, 5.56 Nato

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