It's encouraging that, even in dark times, those of us who have always enjoyed hunting were able to engage in that passion amidst the chaos, and that those who are just beginning to explore it stepped out into the woods as well. While the COVID-19 pandemic sidelined a host of activities many of us love to engage in, last year also saw record numbers of hunters taking to the field-some of them for the very first time. Is the muzzle brake purchase simply to tame the recoil? Is being cost-efficient a high priority? Or is this for competitions like the Precision Rifle Series, where every iota of detail adds up on the scorecard at the end of the day? Is that 1-3% going to scratch at the back of your brain? That’s a decision you are going to have to make all on your own.With the trials and tribulations of 2020 behind us, most folks are looking for reasons to be excited in 2021. So, should you buy one brake to cover multiple calibers or keep your brakes caliber-specific? Well, this really depends on how serious of a shooter you are. All but one shooter claimed they could not feel a difference between the two brakes, while the lone wolf said there was a slight exaggeration in crosshair movement when utilizing the. We did add an optic to this portion of the test. We then decided to move this test to the bench with a handful of fairly avid shooters to further investigate if this 1-3% could be felt. The 6.5 Gen 2 Little Bastard muzzle brake performed between 1-3% better than the 30 caliber muzzle brake. Though a consistent difference in recoil reduction was detected, it was constantly very small. The 6.5 muzzle brake’s internal diameter is. 032” over bullet diameter for safe, consistent projectile pass-through. The muzzle brakes used were two American Precision Arms Gen 2 Little Bastards. Overall, the rifle weighed about 11 pounds without optics. Zant’s device, we used an APA Genesis rifle chambered in 6.5 Creedmoor with a Broughton Sendero contour barrel and Manners TF1 stock. Based on this well-accepted theory, one would assume that a larger internal diameter of the muzzle brake would allow more gas through as the projectile is passing through it, rendering the muzzle brake less effective.ĪPA wanted to be certain that this was the case and if so, how much reduction does the smaller caliber lose by using a muzzle brake for a larger caliber? Using Cal Zant’s recoil testing fixture with an impulse data reader, APA was able to get some concise answers and the results were not quite as expected. By installing a muzzle brake, we hope to peel off as much gas as possible from the forward gas stream rendering the rearward propulsion less aggressive. If all the gas is going forward, the gun is propelled backward into the shooter. The purpose of a muzzle brake is to reduce recoil by redirecting the gas that is otherwise propelled forward. American Precision Arms’ R&D department set out to find the answer to this mystery.Ĭommon sense would tell us “of course it matters.” The reason for this revolves around the way a muzzle brake works. 308 Muzzle Brake work on a 6.5 Creedmoor? Does the internal diameter of a muzzle brake effect recoil reduction? This is a very common question, derived from the desire to purchase only one muzzle brake to use for multiple caliber sizes.
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