When manufacturers state that they have zero impact shift, that's just their marketing team lying to you. It's very much like a good muzzle crown.Īnyway, long answer is that your repeatability on a given rifle will be very good with the large taper alignment system of the KeyMount design, and each rifle will exhibit a different behavior that is unique that rifle. As it leaves the barrel and goes through the muzzle device, forces from the gasses that accelerate around from behind the bullet can cause an unequal push on it if the device isn't designed correctly. Precision in your group size is where having a muzzle device with symmetrical features can be important. The rifle just had a crazy harmonic with the load and barrel they designed their system around. Keeping the same KeyMount flash hider on the rifle, we could place another suppressor on that had a different mass and the group dropped to 1 MOA. We were seeing a full 8 MOA group size with one suppressor. When I was working with Tracking Point on getting suppressors to work with their system (back before they fell out of bed), we found that one of their rifles had massive harmonic issues with one of their loads. The exception (that's outside the manufacturers control) is that adding anything to a barrel can cause harmonic issues that are unique to that barrel. Precision should remain the same or improve. The good part is that when you put it back on that barrel it will do the same thing for that ammo. You'll have to note what happens on that rifle, as it may not be the same for another due to the reasons above. The important thing is that when putting a suppressor on a KeyMount muzzle device, it's very repeatable. Putting the suppressor on adds 0.5 MOA after that. Just putting a brake on my 6.5 CM Bergara B14 will cause a 2 MOA shift down. A long pencil barrel can have a big impact on that POI shift. The biggest impact on accuracy will be your barrel, its stiffness, and the effect of harmonics. Note: As I talk about accuracy, the true definition is the difference in point of impact from point of aim. The features on KeyMount muzzle devices are designed to maintain the accuracy of the host weapon by having a very large taper alignment surface and internal features that won't adversely push the bullet around. pistol suppressors) and the micro muzzle devices are meant to fit in either, while the longer existing ones may not fit in smaller pistol blast chambers like the Ghost handgun suppressor. The KeyMo and KeyMicro are adapters that are differentiated by the thread socket (rifle vs. Your friends at the range will thank you too, for thinking of their hearing.I think you may be overthinking it. It will have an attachment means machined into toe device.Ĭonsider the 5c2 if HD is part of your plan. That's what I use.įinally, if you plan to ever get a suppressor, get a hider that is comparable with the suppressor. Better and still under $30 is the highly regarded and popular Yankee Hill YHM 5c2. Something to consider.Īs to preferred flash hiders, the standard A2 works pretty well. Even if allowed, people there will shun you. 338 Lapua that kink like mules and try to jump out of your support hand.Īlso, many shooting ranges do not allow brakes, because they are obnoxiously loud. Neither is beneficial except for competition where split second recovery for follow up shots is needed. I view it as essential on a HD or fighting rifle of any kind.Ī muzzle break or comp is to either reduce already minimal recoil or muzzle rise. A flash hider will help you be able to see if you have to use your rifle at night for any reason, including home defense.
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