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Muzzle brake and accuracy?
- Thread starter Kaos116
- Start date
From all I have read, it may affect point of impact, but if installed properly and of a good design it shouldn't affect the accuracy. I had used one on my 10/22 until I sold the gun, and I never noticed any difference. But it's only a 22, so it may be different with a larger caliber.
Yeah, I know. Lame as lame can be. I built it when I was maybe 15 and thought a brake was the coolest thing ever. I don't have any pics of it, as it was a sold probably 5 or 6 years ago and I never took pics of my guns.
Looked similar to the brake in this link: http://www.eabco.com/images/Tactical04.gif
Not exactly the same, but close. It did make a difference, as the scope moved less when it was fired, but not necessary in any way.
I replaced it with a factory Marlin that's just as accurate and isn't Tacti-foolish like my 10/22 was. I'm sure some 12 year old that owns it thinks it's the coolest.
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Year ago I had gotten the components to put together a BOSS muzzle brake. I had it sleeved from .30 cal (as that was all they were available in) to .22 I had my pre-ban heavy barrel AR barrel machined so the BOSS would fit. I took 100 rounds of my pet load for the AR and set the Brake on 0. I fired 5 rounds and indexed it 1/2 turn. I continued this until I reached the end of the graduations. The BOSS really did effect accuracy. I had all the data graphed out, but I did this test back in 1994 or so. Now I don't doubt that if you made any brake indexable it would probably do the dame thing. Or if I changed the load I could have made a setting on the BOSS shoot just as well as where my pet loads were shooting on the setting that was right for them. If I'm not mistaken the BOSS was the first muzzle brake that addressed the tunability of barrel harmonics. 20 years later I see that the rimfire guys are using some kind of harmonic tuner as well as some of your long range benchrest shooters.
I believe a lot of rimfire barrel tuners are more based on weight rather than being a tunable brake, but they still work on some of the same principles regarding barrel harmonics. Very interesting to see some of the stuff the top guys are coming up with. Like the "Tinker Toy" rifle on 6mmbr.com that has a magnetic barrel tuner. While the rifle isn't a rimfire, the technology is still very interesting. Some of the stuff is just incredible in how it's machined and engineered. http://www.6mmbr.com/gunweek077.html
I don't think they affect accuracy if they are built right. The original M-14s had a reputation for mediocre accuracy. When they looked into it the engineers had a very close fit between the inside diameter of the flash hider and the bullet diameter. They didn't take into account the yawing of the bullet when it leaves the barrel. The bullets were hitting the inside of the flash hider on some rifles. They opened up the dimension and it cured the mediocre accuracy issue. The other issue is that simply adding a large weight to the end of a barrel will change the harmonics. This could be good, or it could be bad.
One of the old tricks with new target rifle barrels that don't shoot like you think they should is to cut an inch off the muzzle and see if it improves.
B
One of the old tricks with new target rifle barrels that don't shoot like you think they should is to cut an inch off the muzzle and see if it improves.
B
Or re-crown it.
