Both are loud, with ferocious side blasts. In my field test, the two-port version made my AK-47s flat shooting, and with the three-port titanium version installed, my AK-74 has neither recoil nor muzzle climb. The titanium three-port model weighs 1.5 ounces less than the steel two-port version. The CRH three-port model is available in both steel and titanium. The CRH two-port version is significantly shorter and half the weight of the SRVV. The CRH clone is a bit lighter, cheaper and completely made in the USA. I believe they were having issues with the SRVV in regards to supply and it not being 922r compliant. As I found out later, the three-port version of the CRH muzzle brake is somewhat of a U.S.-made copy of the Russian SRVV Jet Brake, which Circle 10 AK imported for a few years. He liked my comment about CRH brakes having the aesthetics of a Cold War Soviet military-industrial design. I met Circle 10 AK’s owner, Luke Williams, at the Red Oktober Kalashnikov event last year and saw his muzzle brakes in action during the competition.
(Firearms News photo)ĬRH Customs is the sister company of Circle 10 AK, a popular online AK component retailer. CRH Customs 2 Port and 3 Port AK Muzzle Brakes Available manufactured in steel and titanium construction, the CRH Customs muzzle brakes utilize an aggressive 30° backward-angled large port design. Retailing for only $40, the MI AK Two-Chamber muzzle brake is one of the most affordable AK muzzle brakes on the market. On the other hand, the side flash is very typical of large port designs, and there’s a lot of it. In low light, it doesn’t produce a blinding flash from the top like some others. The MI 2-Chamber muzzle brake did a good job reducing felt-recoil on my two AK test samples. You can redirect the side blasts while maintaining the same performance. This is actually useful when shooting in close proximity to others. This allows you to turn the brake 90¡ and orient the ports up and down. Interestingly, MI puts detent-indexing cutouts at all four quarter-turns. However, from the shooter’s perspective it’s no louder than the stock slant brake. As expected, the MI 2-Chamber muzzle brake is quite loud from the side. It’s a large port design with a bigger main port and a slimmer second port in front with three small venturi in-between.
Their AK Two-Chamber muzzle brake is the only true muzzle brake in this round up, as it doesn’t vent any gas upward to push the muzzle down. (Firearms News photo)įor a number of years now, Midwest Industries (MI) has been making good quality AK handguards at an attractive price point. Midwest Industries AK Two-Chamber Muzzle Brake The Midwest Industries Two-Chamber muzzle brake is a traditional big port design that’s a blend of high-efficiency and good value. The tradeoff of the small port design is it’s harder to design it to be effective, and since it needs more ports to get the same recoil reduction, it’s more expensive to manufacture. The small port design in general is quieter, with a softer side blast, and produces less flash. However, the large port design is very loud, typically produces a large concussive blast and a very bright flash. Most select the large port design because it’s highly effective, easy to develop and economical to manufacture. There are essentially two major types: large port and small port. What really matters to me is the port design of a muzzle brake/compensator. Most of those labeled as compensators do more to reduce recoil than to keep the barrel flat. The majority of muzzle brakes nowadays have venting ports added to the top or have angled some of the ports upward to provide the function of a compensator. Today, the distinction between a muzzle brake and a compensator gets a bit blurred. Adding an effective muzzle brake or compensator can reduce recoil and muzzle rise, the trick is picking the right one. This added the function of recoil reduction by pushing the gun forward during firing. Eventually a true muzzle brake was introduced with the fielding of the AK-74. It’s not really a brake, as it’s essentially a compensator that pushes the barrel down by directing some of the propellant gas upward. They added a simple slant brake in 1959 with the AKM update. When the Soviets introduced the AK-47, they didn’t bother to include a muzzle device.
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