Battle of the Brakes - RESULTS

Ganderite

Ganderite

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Farm south of North Bay
Tomorrow I am going to test four different brakes on 3 different AR-15s (14.5", 10.5" and 7.5"). I am not too concerned about "recoil" with a AR-15, but am interested in muzzle jump. We shoot quickly in CQB, so less jump will save time. In one event, shot at 10 yards, it would be very desirable to fire a double tap and have the two shots print with 5".

I ran a similar test last month and found that one brake worked well and a fancier one did nothing. I also discovered that a brake that worked well on a 14.5" barrel does not work on a 10.5". The back-blast blew my hat off.

I have picked up 4 more brakes at about $25 each.
brakes1.jpg


The test will consist of trying each of them on each rifle at 25 yards. I put a black patch on a large sheet of paper and fire 5 double taps at it. I pull the trigger as fast as I can for the second shot. My theory is that the best brake will produce the second shots closest to the aiming mark.

The result looks like this:

Poor results
braketest7.jpg


Good results
braketest9.jpg
 
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Do you have a Timer that you can use to get shot to shot times

You will also find out if one brake has the smallest group size and the shortest shot to shot time ---- that break is the one to use

Also to be scientific it has to be repeatable

All the variables to look at

And there will then be a mad buying spree on that brake
 
just having some fun said:
Do you have a Timer that you can use to get shot to shot times

You will also find out if one brake has the smallest group size and the shortest shot to shot time ---- that break is the one to use

Also to be scientific it has to be repeatable

All the variables to look at

And there will then be a mad buying spree on that brake
Click to expand...

I don't think time is an issue. I will pull the trigger as fast as I can for the second shot. The second shot goes where ever it goes. Less jump means it should be closer to the aiming mark with all the first shots.
 
Very interested in this. I just bought a battle comp... but I found good results with S&J linear on my 7.62 VZ58 and wonder how it would work on a shorter and lighter .223.
 
Yeah, i've read a few brake comparisons. I am interested in your results, but they are for you only.

Unfortunately things like the cartridge you're using and the strength you exhibit on the for-end changes during the day as you become more tired, effect your individual results. 5 double taps in a single day isn't a very large group to draw a conclusion. You can also mess up the results by holding the rifle too hard or too soft, based on what you think the break should produce.

You should take a few buddies out with you to see if they have the same results in 10-15+ double taps. If you're changing the barrel three times, might as well add some decent data points. :)
Retest your first set of data at the end of the day to see if you achieve the same result too, and see if fatigue has an issue.
 
Tagged, great thread Ganderite.

I almost bought a battle comp for my norc, but would like to see the results of this experiment first now before I spend all that $$$
Not sure what all the different brakes are in your picture, but my money is on #4.

Ganderite said:
The back-blast blew my hat off.
Click to expand...

Sorry but, I have to admit I'd love to see that! ;)
 
SoylentD said:
Yeah, i've read a few brake comparisons. I am interested in your results, but they are for you only.

Unfortunately things like the cartridge you're using and the strength you exhibit on the for-end changes during the day as you become more tired, effect your individual results. 5 double taps in a single day isn't a very large group to draw a conclusion. You can also mess up the results by holding the rifle too hard or too soft, based on what you think the break should produce.

Retest your first set of data at the end of the day to see if you achieve the same result too, and see if fatigue has an issue.
Click to expand...

Good points. You are right. The tests results will only have some validity for me. But I am the only one I care about.

One thing I can share. When shooting with a scope, you get a pretty good idea of where the gun was pointed when it went off for the second shot. But that impression is wrong. The gun went off before the sights moved to where you think it went off. in other words, the bullet holes are closer to the aiming point than what you would expect. This is why I want to make a decision based on bullet holes - not impressions.

I could make the test on full auto results, but that would be a more demanding test of the brake. I only want to see where the second shot goes, because in CQB, that would be the longest "string" I shoot.
 
Battle of the Brakes - RESULTS

OK. Shot the test.

I started with what I thought would be the most appropriate of my brakes for each length rifle. The 14.5" worked ok, the other two were poor.

This was ok.
brakeresults4.jpg


These two were poor:
brakeresults3.jpg

brakeresults2.jpg



I took the brake off the 10.5" rifle and installed brake #4. This is a large brake with large gills. The bark was incredible. It worked to control the second shot a bit.
brakeresults1.jpg


I will LokTite the brakes on the 14.5" & 10.5". I am still looking for a better brake for the 7.5".
 
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