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That’s quite an accomplishment, considering it is almost 1/2 of their size! Many are actually worse (especially if they’re shorter), and there may be a few that offer better performance. .223’s have no real kick in the first place so I suspect it was more designed to cause a neutral balance regarding stacking forces (relatively large ports on top but modest/minimal baffling/redirection on the side.). Cal is a life-long learner, and loves to help others get into this sport he's so passionate about. I’ve been running brakes on my rifles for years in order to cut down on recoil and maintain sight picture. Precision Firearms LMD I’ll be going with one of the top two breaks in your results and understand your goal was not to solicit any brand but rather remain impartial and unbiased. Thanks, Jeff! Emailed Ruger and the response was they use the same brake on the 6mm, 6.5mm, & the .308 rifles. It seems like everyone is making their own brakes these days, so I could test them all. So I backed that down to only be 3 shots per muzzle brake. But I do measurements for the new line of suppressors that ThunderBeast released this year. So I’d be shocked if it was even able to provide as much recoil reduction as what the Shrewd did, which wasn’t great. That can go a long ways to reducing perceived recoil as well. I will have a whole post on muzzle blast a little later in the series that will try to give insight into that. A felt recoil reduction of up to 60% or more can … Just enter your email to receive notifications of new posts. Without further ado, here is the data for the recoil reduction on the 6mm rifle for each muzzle brake: Any surprises? As long as the barrels fit the specific contour requirements at the muzzle, you could take it off one rifle and put it on another very quickly. I appreciate you chiming in to help us understand the physics of what is going on with the caliber-specific brakes. When using ATC with a 10 shot group what would be an acce... Shootin’ Okie: Thanks, for replying. We’ll start with the smallest caliber tested, the 6mm. VG6 Precision Unauthorized use and/or duplication of this content, data, or other materials is strictly prohibited without prior express and written permission from the author. We will custom contour the rear of the brake to your specification, for example: Let's say you have a 6.5mm Creedmore with muzzle diameter .750" and 5/8-24 threads. Your hands and a crescent wrench are all that is needed. Hey, thanks, Emil. Awesome work as always! Subtracting our bullet from the bore we get our “holes” are 4.91, and 10.21 mm^2 respectively. One might argue ..(or future test ,-) for that matter).. the relative merits in real world, mag-dump etc, multi-shot exercises of removing as much recoil (reward push) as possible – versus – concentrating more on neutralizing muzzle climb .. for an analogue of experienced shooters rather than single shots in a sled, – getting long-winded here, the current linear test rig could be altered into a fulcrum .. still measuring rear push, but also able to measure muzzle climb (amplitude, total force, distance) in single and/or continuous fire, I’d think one might need a replacement hand grip to use as the mounting point .. since a bench-rest sled format would tend to automatically curb the rotation – (and a trigger operating device so the rate of fire could be consistent for all units) but it’s not my meaning to visit those concepts so much as to say that the .223 and the .308 versions are more different (regarding the type of test that you have presently) than they’d seem to be on first glance and I hope to see the bigger brother included, even if the results regarding rearwards push turn out to be similar.. Hey, Westin. Those ballistics are similar to other popular 6.5mm precision rifle cartridges, like the 6.5×47 Lapua and 260 Remington. Sorry to hear that man, but thanks for sharing it with the rest of us. SHOT Show 2020: Leica PRS 5-30×56 with PRB Reticle! I definitely tested the two elements you’re referring to: recoil and muzzle rise. This took a ton of time for each brake, so I just had to limit the number I included. Great point, John. As we discussed in the last post, when someone claims a product “reduces recoil by 50%” … it usually isn’t clear what they’re talking about. Great question. I’m just curious as to the difference in the actual recoil between the two calibers running your loads (with and without brakes). Both of those brakes have a unique design that send gas back at a 30-35 degree angle, and I think that is where they picked up the extra recoil reduction. I used my personal handloads for testing the 6XC, which launch a Berger 105gr Hybrid at 3,000 fps. I had quite a few disclaimers on that, because it isn’t an apples-to-apples comparison like what we’re doing for the muzzle brakes. It’s hard to leave your opinions out, but I try to be disciplined in that. Here are the muzzle brakes I wasn’t able to test on the 6.5mm rifle: This is just one of a whole series of posts related to this muzzle brake field test. Notice how the suppressor stretches out the amount of time the recoil event is spread over, but the muzzle brakes keep it about the same amount of time and do a better job of reducing the size of the “area under the curve.”. For a precision rifle, this seems like the tail may be wagging the dog. I ordered a couple for me personally, and they were outrageously expensive. Precision Armament - M11 Severe Duty Muzzle Brake .338 (8.6mm) A massive symmetrical blast baffle, combined with two compensated front baffles, redirect gas to the sides and upward delivering unparalleled recoil reduction while also minimizing muzzle rise and ground disturbance. I’m not sure I’ll be able to unlock the secret to how Zak was able to improve on his design like he was, but I’ll publish all the hard data I was able to collect on them. However, the TBAC Compact Brake is also designed to be a Thread-Over-Muzzle-Brake (TOMB) for Thunder Beast suppressors, and it performed much better than those other two designs. We’ll start with the smallest caliber tested, the 6mm. The SureFire Muzzle Brake For 6mm/6.5mm/260 Precision Rifles, Black, SFMB-260-5/8-24 Color: Black, Caliber: .260 Remington, Fabric/Material: Steel, Threads per Inch: 5/8x24, Length: 1.5, Weight: 0.3. is here at OpticsPlanet with great discounts Up to 13% Off ! Keep up the amazing and fascinating work! Not only does the muzzle brake have to be bored to the proper caliber by a gunsmith … you may also have to pay the gunsmith to contour the barrel to the proper diameter at the muzzle for it to work. I actually don’t think I tested the TBAC 30P-1 the final time I ran through all the tests (yes, I ran through all the tests multiple times). Your email address will not be published. it made a difference. Thanks, Thanks for all the hard work you put into these projects. Made from 17-4 stainless steel. Science is so much better than internet lore. ar-15 gamma 300blk muzzle brake 300 blackout. It seems like there is a million out there, so I tried to include the ones that seem to be the most popular in the precision rifle community. A big part of that is the fact that you can find quality match-grade ammo for around $1.20/round in 6.5 Creedmoor. So I wanted to present that data independently of one another, so people could draw their own conclusions based on their circumstances and personal preferences. That’s what this is all about. All muzzle brakes come with JAM NUT to ensure the timing is always perfect. Well, that gets complicated with all the restrictions around them. That surprised me. The problem with this cartridge comparison is all things aren’t equal. I look forward to each post as I learn more each time. I did want to point out that some of these brakes were caliber-specific to 6mm and others weren’t. The rifle used for this was chambered for the 6XC (view rifle details). Then add a brake or a Suppressor in the Future. 1/2x28 thread. The full line-up of brakes were included in this post: http://precisionrifleblog.com/2015/06/24/muzzle-brakes-field-test/. 353-LB365 | American Precision Arms. Notice on this rifle I also included a “High-End 9-inch Suppressor” for comparison. Description Reviews (0) Description. What was the recoil in absolute terms for the 16lb 6XC/105 rig vs the 14lb 6.5Creed/140 rig, without any muzzle devices? $0.00 - $99.99 23 item; $100.00 and above 4 item; Compare Products. Here is an example of the results I recorded for one of the muzzle brakes: As I publish these results, I plan to show how much each muzzle brake reduces recoil compared to a bare muzzle. each. Gen 3 Little Bastard Self Timing Muzzle Brake 5/8x24 Thread 6.5mm Nitrided Finish. The incredible performance of the ATC allows faster follow up shots and quicker target transitions. Looking at where the other brakes ended up on the 6mm and 6.5mm, I’d expect it to have similar performance. Thanks for the compliments. SKU: CAN-6MM-PRDTR Category: Muzzle Brakes 5/8-24 TPI .308 / 7.62x39 ARs / .300 Blackout / Most .30 Caliber Rifles. To learn more about the cartridge, check out this article. I actually wasn’t able to test it on a few rifles, because the Badger FTE design requires the barrel to be contoured to exactly 0.800” or 0.875”. Like would an effective 308 brake mimic the recoil of a 243? If you want to stretch out and get longer range, I’d highly recommend the 7mm Rem Mag (or similar 7mm magnum). Keep up the great work! The 6.5 Creedmoor rifle weighed in at 14.1 pounds with a bare muzzle, and no bipod or magazine. Your own words lead me to recommend your next science project – comparison of suppressors. Hi Cal, Screws onto standard AR-15 / M4 / M16 ½" x 28 threaded barrels (with .223 / 5.56 bore). I actually think this 3-part series m... Cal: Great question, Joe. Redirects gasses to cancel out a significant portion of felt recoil. I wonder where the largest commercial application of muzzle brakes would have fitted into the results, the Browning BOSS. Very informative! But I fired a lot of rounds through those muzzle brakes and I couldn’t be more confident that these results represent reality, however tough that might be for some people to come to terms with. The Airborne Arms’ Spectre Series Muzzle Brakes significantly improve sight-recovery time and felt recoil in a sub-1”x3” competition-legal dimension. It brings a welcome addition to the line of brakes known for excellent recoil reduction, easy installation, and excellent manufacturing quality. It represented the heaviest rifle in our test, although that weight is not uncommon for a precision rifle. I was excited to see how the empirical data stacked up to the hype I read online. Our muzzle brakes are made of the finest materials - 41L40 steel and 416 stainless, and single point tool threaded on a CNC lathe to insure the threads are square with the end and bore. I’ve a 30BAS, 30CB9 and a Ultra-9 in NFA holding. Thunder Tech For more info on the test equipment and how the data was gathered, please see the previous post. I actually already did that in a previous post. Our muzzle brakes are an industry leader! And that is one of the reasons I focused on precision rifle brakes, instead of those popular in 3 gun competitions. I expected the caliber size of the bullet hole in the brake to make more of a difference. Just trying to learn and get insight into this stuff … One test at a time! There is an average of 614 data points included for each line! Leading that group is the JEC Customs Recoil Reduction Brake, new Impact Precision Muzzle Brake, Holland Radial Muzzle Brake, Center Shot Rifle’s Blast Tamer, JP’s Large Compensator and the Recoil Eliminator, and new West Texas Ordnance Muzzle Brake. For a given hole, the mass flow rate will increase as the change in pressure increase, until the gas reaches super sonic speeds across the hole. I would wonder out loud if the reduction in recoil you have demonstrated was significant enough that it would allow an old shooter like myself to move up to the magnum cartridges without getting beat down by the recoil? Dead Air Nomad E-Brake . With your article I’m now able to narrow my choices. Your work allowed me to just relax, enjoy shooting and direct interesting questions regarding precision rifles and optics to guys who know how to do research and approach facts in way that is interesting entertaining and highly enjoyable. I help run a company with 100+ employees, so that takes a ton of time and I do this in my spare time. I’d LOVE to see how Zac was able to cut the noise and weight that much, plus make it stronger. It seems pretty precise and objective. I went and calculated the recoil impulse using JBM for those two scenarios, and it predicted an impulse of the 16.2 pound 6XC to be 15% less than the 14.1 pound 6.5 Creedmoor. It’s hard to leave your opinions out, but I try to be disciplined in that. In Stock. ** Do Not Install a Crush Washer Style Muzzle Brake onto your KEL TEC SUB-2000 without this set of Barrel Jaws or you will need to send back to KEL-TEC for repair of part number 102 which is the Plastic Hinge that houses the barrel. Ross Schuler It helps you visualize how each design changes the shape of the recoil force. $195.00. I like the approach. The Heathen Muzzle Brake was developed to provide the optimal balance between recoil management and... View full product details » .308/30cal / 5/8x24 1.125 dia 6.5mm/.264 / 5/8x24 1.125 dia 6mm… $195.00. The rifle weight, stock design, barrel contour, and other things are different, and those things can affect the recoil signature. This is great stuff. On an unrelated note, would you be willing to publish the data you created? Another reader asked a very similar question, and I answere... Heath: You’re pretty much regurgitating Bryan Litz’s books with this particular present... Joe Bellicini: Once again, well done. This aligns with how I’ve heard shooters talk about the recoil with a suppressor as more of a “push” than sharp recoil. - Long Range Hunting Online Magazine, Statistics for Shooters – Executive Summary, Precision & Group Size – Statistics for Shooters Part 3, Muzzle Velocity Stats – Statistics for Shooters Part 2, How To Predict The Future – Statistics For Shooters Part 1, Tactical Scopes: Field Test Results Summary & Overall Scores, Powder Temp Stability: Hodgdon Extreme vs. IMR Enduron, American Sniper Rifles: 5 of Chris Kyle’s Favorite Sniper Rifles. It beats the heck out of anecdotal recommendations. A lot of people are concerned with that on suppressors. Incredible work, I can´t thank you enough for the significant effort you have gone thought to supply us with facts instead of opinions. Then I put a brake on my last one and will again. This test was a little over the top, but hopefully it will help advance muzzle brake designs by showing us what works best. Forgive me if this was addressed earlier and I missed it, but I know many people and myself that have been wondering why you did not include several other popular brakes on the market today? It just takes more force to move the direction of aim, so I can hold more steady. Do I hear the topic for the next field test series? Keep up the great work and I am sorry you have to deal with the manufacturers phone calls (I bet their returning the calls now) disputing your science after you publish each blog. For some its our eyes and for others it’s our joints. That is a long way of saying … sorry, buddy. Anyway, great great stuff and looking forward to the additional test results. Your research has really been helpfull to me as a newbie to the precision rifle world. Since Hornady’s release of this cartridge in 2008, it has gained quite a following in the precision rifle world. I certainly can’t take credit for all of it. I’ve been personally using one for over a year on my primary rifle. Dead Air Key-Micro Brakes . Thank you for conducting the test, outstanding info! Nice job Cal, You can see the suppressor isn’t as effective at reducing recoil as many of the muzzle brakes, finishing in the bottom half of the pack.

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