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Suppressors Suppressor Concentricity

orkan

Primal Rights, Inc.
Banned !
Minuteman
  • Oct 27, 2008
    4,268
    4,001
    South Dakota, USA
    www.primalrights.com
    All suppressors are not created equal, or straight, for that matter.

    Always be sure to leave your suppressor with your gunsmith so he can check your can's concentricity at the time of barrel threading. This video will likely shock you, as it did us.

     
    Orkan, can you call Gary our VP of Sales at 801-417-5384 he has some things about your video he would like to discuss with you.
     
    All my swr/Silencerco cans have been spot on. Must be a fluke, but I guarantee they will take care of you.
     
    All my swr/Silencerco cans have been spot on. Must be a fluke, but I guarantee they will take care of you.
    I have no doubt of this.

    Let me try to clear something up here folks. This conversation is going somewhere other than what Travis and I had intended. This video was NOT meant to outline a deficiency in SilencerCo/SWR's manufacturing techniques. This video was meant to generate awareness in regard to ALL suppressors in regard to their concentricity, and encourage people to get their suppressors to their gunsmiths for eval at the time their barrel is setup in the lathe to cut threads.

    It was a mistake to even mention the brand names involved. I remember now how viciously competitive the suppressor market is, and did not give consideration to the fact it could do those manufacturers a disservice. We were simply astonished by what we saw, and realized that this conversation rarely takes place. The emphasis is always on the barrel threads, but never on the suppressors themselves. The intention of the video was to get people to check ALL of their suppressors at the time the threads are cut regardless of manufacturer... not just SilencerCo/SWR's. We had a sample size of one part from each of the manufacturers. That is NOT enough to make a summary judgement of that companies quality.

    Also, let me be clear in saying we are a class 3 firearms dealer. We have sold a great many suppressors, and quite a lot of SWR Spectre II's. All of those customers are happy. You can see here that we recently did a review of the SWR Spectre II, and gave it a glowing recommendation. It is a quiet, strong, ultra-serviceable, and accurate suppressor. When one of my customers comes looking for the best bomb-proof rimfire can, I sell them a Spectre II. So please do not misinterpret what the video was intended to illuminate. I have had no doubt that SilencerCo/SWR would stand behind their product, and replace any defective parts. We've been selling their suppressors for quite some time now, and while we have not had to use their service department, I have always known they would stand behind their product. This continues to be true. They are still our go-to suppressor for the top end rimfire segment. So please, understand that we were so excited to get our customers and viewer base to start looking at suppressor concentricity, that we did not give any weight to how it may impact the manufacturers mentioned. I tried to make this clear in the video, but apparently I wasn't clear enough. ;)

    After today I have more confidence in SilencerCo than ever. Gary @ SilencerCo saw the video, and called me first thing this morning. First, he let me know that the thread job he saw in the video was not their recommended spec. They have a published spec which involves a thread relief on the end of the muzzle, which makes concentric contact with their internal O-ring. He informed me that a typical .6" long thread spec would make contact with an internal shoulder, as well as put a great deal of stress on the O-ring. (TS Custom set it to .5" long, not .6") Gary said this is something they see every day, and has been the direct cause of run-out problems in the past. When they are confronted with that issue, they generally send out a spacer, that goes between the barrel shoulder and the suppressor, which pushes the suppressor out and eliminates contact with the internal shoulder and solves the problem. Gary is sending one of these spacers out to us as part of his due diligence. He was emphatic in his willingness to solve the problem by any means necessary. He was very clear that if we adhere to their recommended thread spec, and/or use the provided spacer and still have unacceptable run-out, then they would replace the faulty parts with all haste. I never had any doubt, but it was good to have it validated yet again.

    Having said that, Travis is a very meticulous and exacting gunsmith. We spent several hours examining the problem regarding that particular Spectre II's run-out. Travis had it off the host rifle, and was able to find several irregularities on the part. Also, we are certain that the threads weren't making contact with the internal shoulder. So, we are of the mind that this particular end cap is faulty. However, it is clear that SilencerCo took exception to the thread spec in the video, and rightfully so. We cannot be certain that excessive run-out exists until we adhere to their spec, and re-test the suppressor in question. We intend to do this testing soon, and with proper video equipment to ensure a higher quality end product and eliminate any questions in regard to setup. This first time around it was just a surprise, so I whipped out my iPhone and started documenting. Gary made it very clear, that if any problematic parts are discovered, they would replace them. This is ALL anyone can ask. You can ask manufacturers to be flawless, but you'll be disappointed a lot! All companies can turn out a bad part once in a while. It's expected. It's how they handle it which is important, and SilencerCo is handling this very well.

    I've received PM's from several people whom said they have a Spectre II or other SilencerCo product awaiting transfer, asking if they had anything to worry about. The clear answer is NO... you have nothing to fear from that product! Again, please do not misinterpret the intention of the video. SilencerCo/SWR Spectre II is our favorite rimfire can, and we've shot them all. You should not trust ANY suppressor from ANY manufacturer unless that particular suppressor has been checked for concentricity by a competent gunsmith at the time your barrel is setup in the lathe to cut threads. Even if you then determine you have a bad suppressor, SilencerCo will absolutely make it right. As will most major suppressor manufacturers. Until we test the rest of our inventory of Spectre II cans, on SilencerCo's approved thread spec, we have no way of knowing if a tolerance problem exists. This is why I spent very little time talking about brand name issues. Nor did I ever say or indicate that all of SilencerCo's products would have run-out problems because that one suppressor did. Point in fact, I specifically stated that the video wasn't meant to "poo poo" on any one manufacturer, and that we had a very small sample size. Small enough, to not draw ANY real conclusions from. The point of the video was, unless you check your suppressor, you will never know if it's straight or not.

    Going forward we intend to try the "spacer" fix that Gary is sending out. We are also going to thread up another barrel to SilencerCo's recommended spec. Then we'll test our suppressors on that spec and report back with the findings.
     
    What a great contribution to the process both the video and the comments have been thus far. Many thanks for posting all of it.
     
    I got the jist of what you were saying, and I don't think you were wrong in posting the manufacturers name. There has never been a manufacturer in history that has produced every item off their line without an error of one form or another, but what separates the good companies from the bad is how they deal with those errors. completely fair in my book (which is very short and mostly pictures).
    I agree, everyone should check their gear before releasing very high pressure inches from their face, its only common sense, but unfortunately, a lot of people lack that quality.
     
    So I had no choice but to remove that video. Some people are not hearing me on this. SilencerCo has been getting bombed with calls in regard to what was shown in that video... even when I have specifically stated that a sample size of 1 is NOT enough to draw ANY conclusions, and that SilencerCo/SWR Spectre II is our favorite rimfire can. That video has been re-posted all over the place, and people are blowing things way out of proportion. I expected more out of my fellow shooters...

    We don't want suppressor manufacturers to be unduly persecuted. We want MORE suppressor companies and MORE options, so the industry as a whole gets better and better.

    The video was meant to spawn conversation in regard to being AWARE OF and CHECKING FOR suppressor concentricity on all brands.

    So, I took the video down until we can perform some better testing with SilencerCo's thread spec. Their spec works with their cans and works equally well with everyone else's. A wider sample size must be tested in order to draw any conclusions. Until then, NO CONCLUSION can be drawn in regard to the quality of any manufacturers product which was mentioned in that video.

    We have been in contact with SilencerCo today, and look forward to working with them on this to ensure the best for their customers and ours.
     
    We have been in contact with Greg at Primal Rights regarding his recent video on suppressor concentricity. We have offered suggestions as to thread specs for rimfire for use with our silencers to provide more accurate representation of what run out numbers on ours or other suppressors are. Greg has agreed to perform his testing once again using a .4" 1/2x28 thread spec and inform us of the results to ascertain what , if any problems exist with his particular test unit. We have gone through and checked all current production units and found them all to be well within established specifications on appropriate threads. Greg at Primal Rights has brought light to a serious issue within the suppressor, gunsmith and firearms manufacturer community which is seldom addressed. All suppressor manufacturers frequently deal with poor quality, loose tolerance threads performed by uninformed individuals on a daily basis. The firearms manufacturers frequently put incorrect threads for their intended application on guns as well. Many suppressor manufacturers have built products with less than stellar QC. When playing the blame game, even with so many players, there is plenty to go around.
    In our conversations with Greg after reviewing his video, we have found him to be extremely knowledgeable and to exhibit genuine concern for his customers. We feel that the use of the industry standard .4" rimfire thread spec will largely alleviate the run out concentricity problems greg experienced in his original video. We are sending him machine drawings of our thread spec and a thread spacer that we frequently use to allow customers get a proper thread length on guns that are threaded too long to test. It may be that after all this testing, Greg's original test unit could exhibit a degree of run out which we would find unacceptable. In that event we would react how we always have, doing everything in our power to make it right for our customer with as much speed as possible. We are fairly well known in the industry for our stellar warranty and service after the sale. We pride ourselves on it. Bad parts can and do happen, but on incorrect thread specs , even the best parts will not be concentric.
    Either way, we appreciate Greg's willingness to conduct his testing again and work with us in a constructive manner. Perhaps if there were more of this kind of cooperation between Manufacturers, quality gunsmiths and dealers who exhibit more than a passing concern for their customer (Such as Greg) we would see much less confusion in the market.

    Gary Hughes
    VP of Sales
    Silencerco
     
    Co-axial alignment, rather important datum when it comes to shooting.

    Concentricity and co-axial alignment are not the same things, trust me.
     
    Interesting video, but one can would not stop me from making a purchase if that was the one I was considering. Same thing about the recent post of the TBC can that came apart at the range. Things happen and mistakes can be made, if that is the case here. However, good companies correct mistakes and take care of their customers.

    SilencerCo seems to have some good/popular products as does TBC, so neither of those issues are a big deal to me.
     
    I bought an aac cyclone several years ago and there was so much runout the bullets were skimming the baffles and I could only get a 12 inch group at 100 yds. My gunsmith checked the runout and it was off the charts. Aac gave me a brand new can and paid the stamp. So it happens to all manufacturers just do business with one that has good C&S and you will be ok.
     
    Very good information and very professionally done!

    Please don't stop with this test. A picture of groups between the best and worse runout of the same model cans would be something we could all use.

    BTW: Many of us with AAC SDN-6 quick-detach cans are very concerned by AAC's position that it is "normal" for them to wiggle some if they back off a hair after a few shots because they do not click or index in exactly on one of the 51 teeth. I have not had an apparent baffle-strike with mine, but it "just ain't right".
    It would be terrific to see one of these chucked up and dialed in. Even better with a handful of different flash-hiders to see if the ones that click-in right after a tooth (and therefore loosen less after a few shots) hold better tolerances than the early-clickers.
     
    Very good information and very professionally done!

    Please don't stop with this test. A picture of groups between the best and worse runout of the same model cans would be something we could all use.

    BTW: Many of us with AAC SDN-6 quick-detach cans are very concerned by AAC's position that it is "normal" for them to wiggle some if they back off a hair after a few shots because they do not click or index in exactly on one of the 51 teeth. I have not had an apparent baffle-strike with mine, but it "just ain't right".
    It would be terrific to see one of these chucked up and dialed in. Even better with a handful of different flash-hiders to see if the ones that click-in right after a tooth (and therefore loosen less after a few shots) hold better tolerances than the early-clickers.

    The many people with SDN-6 cans would like to see it, AAC would not. QD failure.