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April 20th, 2018

Don’t Go Deaf — Understand Risks of Concussive Hearing Loss

Mark Kuczka Accurate Ordnance hearing protection dB noise muzzle brake PRS muffs earplugs concussion concussive hearing loss

Did you know you can damage your hearing even if you are wearing the best hearing protection available? Well, have you ever heard of concussion (or concussive) hearing loss? There is no amount of anything you can put in or over your ears to protect you from concussion loss. My audiologist explained to me the concussion comes through the facial bone structure and damages the ear’s tiny bones.

Editor’s NOTE: This may be the most important tech article we’ve run all year. It explains how you can suffer inner ear damage and hearing loss even if you use earplugs or muffs. Read that again — hearing loss even with typical hearing protection. This kind of concussive hearing loss can result from shooting with muzzle brakes in confined spaces. Using a suppressor (aka sound moderator) can reduce the risk of concussive hearing loss. You may not have the ability to use a suppressor, but this article explains how you should be more mindful of your hearing.

Why I Use a Suppressor (Preventing Concussive Hearing Loss)

Report by Mark Kuczka, Accurate Ordnance

It must have been the road noise. I thought I was having a hard time hearing my five year old daughter speaking to me on my cell phone because of the road noise. That old SUV was kind of loud inside. Until I switched the phone to my left ear and suddenly I could hear her just fine. Wait, what just happened? I moved the phone back to the right ear and there was that muffled voice again. That’s when I knew I had a problem.

“What?” Lots of us in the shooting community have lost some hearing along the way due to our time on the range or in the field. Those of us who hunt have certainly discharged a firearm or three without ear protection and without concern for our hearing. After all, it’s just one shot, right? How much can it hurt?

Actually, that one shot DOES hurt your hearing. Any sound over 140 dB is immediate hearing loss. It just happens to be killing a small amount of our hearing so most of us continued the practice without a care. Living with hearing loss now makes me wish I could go back 20 years and better protect my hearing. I can’t change what I did in the past, but going forward I can certainly do the most to protect the hearing I still have.

I decided to shoot about a year’s worth of matches with just braked rifles. That year is when I lost significant hearing in my right ear and some in the left. I’ve gone back to shooting only suppressed rifles whenever possible.

Mark Kuczka Accurate Ordnance hearing protection dB noise muzzle brake PRS muffs earplugs concussion concussive hearing loss

I shot my first suppressed firearm, a .22 LR pistol, in 2003. After a few rounds I wondered why everyone (who can do so legally) didn’t shoot suppressed? No one drives without a muffler. Why would you? Point is I immediately appreciated the hearing protection benefits of suppressors. That passion got me into the business of selling suppressors and it wasn’t long before I was one of the biggest retailers for companies like AAC, SWR, SilencerCo, Ops Inc. and others. [Editor: The author’s business, Accurate Ordnance, no longer sells suppressors. So this article is NOT a sales pitch. Mark just wanted to share his experience so others might protect their hearing.]

Mark Kuczka Accurate Ordnance hearing protection dB noise muzzle brake PRS muffs earplugs concussion concussive hearing loss

Did you know you can damage your hearing even if you are wearing the best hearing protection available? You’ve heard guys say, “I’ll wear plugs and muffs, so I’ll be just fine shooting that .50 BMG!” Well, ever heard of concussion (or concussive) hearing loss? Yeah, I hadn’t either. I’ll sum it up the way the last audiologist I spoke with about my hearing loss did – there is no amount of anything you can put in or over your ears to protect you from concussion loss.

A hand grenade went off right next to a buddy of mine. He lost some hearing as a result of the blast. No one is really surprised by that. I mean it is an EXPLOSION. It’s loud. Duh. But I had no idea the blast from a muzzle brake could basically hurt my hearing the same way. The doctor explained to me the concussion comes through the facial bone structure and damages the ear’s tiny bones. Same thing as what can happen through any TBI (traumatic brain injury).

Hearing loss diagram inner ear

I’ve owned quite a few different suppressors over the years and have shot just about everything out there. I’m still as big a fan as ever. However, I wanted to see if using a suppressor in PRS (Precision Rifle Series) and similar matches was actually a hindrance. Some people feel the added length and weight of a suppressor can make getting into some shooting positions slower or problematic. So I decided to shoot about a year with a muzzle brake instead of a suppressor. I sure regret that decision…

Getting Headaches at PRS Matches Was Warning Sign
It is fairly common in PRS matches to shoot through pipes, vehicles, inside “shoot houses” and around other obstacles that echo a rifle’s blast. I noticed I was starting to get headaches about halfway through a day of PRS match shooting. I knew the issue wasn’t hydration. I mean look, if you are peeing every other stage down at the amazing CORE range facility in mid-summer you are NOT dehydrated. So, what was causing the headaches? It wasn’t until I went back to shooting suppressed in those same environments that it became clear the little mini concussions from that muzzle brake was causing my headaches. And of course the doctors confirmed that.

Let me stop here and say I am NOT anti-brake. Muzzle brakes are useful tools and for some situations are the best tools. An aggressive brake can be more effective at reducing recoil than a good suppressor. A suppressor does add some recoil reduction, just not as much as most quality brakes. Don’t forget to factor other variables, such as caliber and rifle weight, into the equation though. For example, a 15-lb 6mm Creedmoor rifle doesn’t need much recoil reduction in the first place.

Mark Kuczka Accurate Ordnance hearing protection dB noise muzzle brake PRS muffs earplugs concussion concussive hearing loss

So, I started shooting matches long before the PRS even existed and always shot suppressed in those days. The suppressors made communication with a partner or RO easier and it was just a more pleasant shooting experience. On the recommendations of a few people I decided to shoot about a year’s worth of matches with just braked rifles. That year is when I lost significant hearing in my right ear and some in the left. I’ve gone back to shooting only suppressed rifles whenever possible and especially at matches. I’ve only once or twice found the extra length of the suppressor made it a little more inconvenient to run a stage, but not by much. Trust me, the points I missed were not because I took two extra seconds getting the muzzle in a port or window.

My hearing is something I value and will do everything to protect from this point forward. You’ll never again see me on a match field with an un-suppressed rifle. To me the minimal gains of running a braked rifle aren’t worth losing more hearing.

Choosing a Suppressor — What to Consider

Okay, so I have hearing loss that I can’t get back and realize I need to go back to shooting matches with a suppressor. But which one? I’ll still be shooting matches with custom fit plugs so I just need something to add a little recoil reduction and kill that concussion.

At our shop, Accurate Ordnance, we generally recommend direct-thread suppressor solutions to our customers. The main reason for that is all the problems we’ve seen with other fast-attach muzzle devices. It doesn’t take much tolerance stacking to result in accuracy issues. There are a few exceptions for us and the Rugged Suppressors products top the list. Since the Razor 762 uses a muzzle brake adapter on the rifle to attach the suppressor, I can use the same suppressor on my .223 Rem training rifle. My primary match rifles are chambered in 6mm Creedmoor and 6.5 Creedmoor and the muzzle threads on those is a standard 5/8×24. My .223 Rem training rifle has .5×28 threads on the muzzle, which is standard for that caliber. Thus, the muzzle adapter interface lets me share the suppressors between all the rifles. And on that .223 Rem training rifle I have the option of switching the end cap on any of the Rugged products to a .223 aperture size, which makes the suppressors slightly more sound efficient (meaning quieter).

Permalink - Articles, Competition, Tactical, Tech Tip 7 Comments »
February 10th, 2012

Leight Quiet Band — Comfortable Alternative to Plugs and Muffs

Effective hearing protection is a must whenever you are shooting firearms or when you are in the vicinity of gun-shots. For ultimate protection, we recommend a good set of tapered foam earplugs, topped by ear-muffs. However, there are situations when you may prefer lighter-weight hearing protection that can be quickly removed. For example, if you are standing well behind the firing line as an observer, or if you are working as a rangemaster or waddie some distance away from the shooters.

In addition to traditional ear plugs and ear-muffs, new band-style protectors provide a third sound-blocking option. Howard Leight, a top name in the sound-protection business, now offers the “Quiet Band”, a device with soft foam plugs attached to a plastic band worn around the neck. This “Quiet Band” product is comfortable, easy to deploy, and surprisingly effective.

Howard Leight Quiet Band qb2

Howard Leight Quiet Band qb2Three Quiet Band Models
There are three (3) types of Leight Quiet Band® sound protectors. We prefer the QB2 Supra-aural model (item QB2HYG, NRR 25). As shown in the photos, the NRR 25-rated QB2 positions cone-shaped foam pads next to the ear openings and holds them there with light pressure from the orange-colored band. There is also an Inner-aural version (item QB1HYG, yellow band, NRR 27), and a Semi-aural model (item QB3HYG, red band, NRR 21). Our preferred QB2 Supra-aural (orange band) model is just as comfortable as the QB3 (red band) version, and offers much better protection. The QB1 Inner-aural (yellow band) model requires that you place the ear buds in the ear canal, so it’s not really any easier to use than conventional earplugs. That’s why we like the QB2 Supra-aural model best of all. Other users agree. Here’s what two QB2 owners had to say:

Hickok45 leight qb2“I first saw these used by Hickok45 on Youtube and he talked positively about them. I got two and gave them a try. At first, I didn’t think they were going to work very well. After some fiddling, I found they work pretty darn good. With my ears, they fit the best if the band starts on top of my head, I insert the plugs then rotate the band behind my head. PRESTO, perfect fit. Shooting the 9mm and 12 gauge out back was comfortable with no ringing afterward. [They are] small and easy to transport — just throw in the range bag. Yet, they are big enough to keep around your neck out of the way[.] I can sit these Howard Leights down on the shooting bench without worrying about them getting dirty since the band is curved, placing the plugs in the air. I highly recommend them to anybody needing banded hearing protection.” — Tom W.

“Great for woodworkers — These are lightweight AND very effective at reducing noise. When not in use the band hangs loosely around your neck, out of your way completely. Very cost effective for a great product!” — Sheri D.

Quiet Band® sound protectors can be purchased from many online vendors for under $5.00 per set, which includes a spare pair of ear buds. Amazon.com has the Leight QB2 (by Sperian) for just $2.50 per set, while Enviro Safety Products currently sells the QB2 for $3.87 per set. Replacement ear buds are available and sold by the pair. Ten-unit Bulk packs are also available for $35.00 with free shipping.

Permalink New Product, Shooting Skills 3 Comments »