Episode 258 - BOE Mod 1 M4 Testing Technical Performance Discussion (07-MAY-2025)

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Episode 258 - BOE Mod 1 M4 Testing Technical Performance Discussion (07-MAY-2025)

Today’s Topic:

  1. Sound Signature Review 6.183 – BOE Mod 1 on the 14.5-in mid-length gas 5.56 M4A1. Yet another player entering the 5.56 suppression space. 3D printing involved? Of course. A bit of a twist with some conventional elements? Yes! This is the technical discussion to accompany the technical paper published on 16-APR.

    a. Introduction (00:07:56)

    b. Physical Characteristics (00:12:13)

    c. Performance Characteristics (00:25:53)

    d. Performance Comparisons (00:38:29)

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Episode 257 - Otter Creek Labs Infinity subsonic 300 BLK Testing Intro (30-APR-2025)

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Episode 257 - Otter Creek Labs Infinity subsonic 300 BLK Testing Intro (30-APR-2025)

Today’s Topic:

  1. Sound Signature Review 6.185 – Otter Creek Labs Infinity with subsonic 300 BLK. The Q mini Fix – an 8-in barrel proving ground, from the beginning. How does the versatile Infinity handle subsonic ammunition combustion out of a relatively short barrel? How does its performance compare with some older designs and some purpose-built 300 BLK designs? Can it hang? Introductory discussion for this technical paper published today. (00:05:49)

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Episode 256 - The Quietest MP5 Silencers and Listener Questions (23-APR-2025)

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Episode 256 - The Quietest MP5 Silencers and Listener Questions (23-APR-2025)

Today’s Topics:

  1. Member Research Supplement 6.184 – The Quietest 9mm Silencers - MP5 Silencer Detailed Loudness and Tone Comparisons. We compare the loudness, tone, and severity of the CAT MOB, Dead Air Wolfman, GSL Phoenix, HUXWRX CASH 9K, Otter Creek Labs Lithium, PTR VENT 2, and Resilient RS9. Who comes out on top, and how? (00:06:14)

  2. Listener Questions – back again! More from the 7th solicitation. Let’s continue where we left off last episode. (00:16:23)

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Episode 255 - BOE Mod 1 M4 Testing Intro and Listener Questions (16-APR-2025)

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Episode 255 - BOE Mod 1 M4 Testing Intro and Listener Questions (16-APR-2025)

Today’s Topics:

  1. Sound Signature Review 6.183 – BOE Mod 1 on the 14.5-in mid-length gas 5.56 M4A1. Yet another player entering the 5.56 suppression space. 3D printing involved? Of course. A bit of a twist with some conventional elements? Yes! This is the introductory discussion to accompany the technical paper published concurrently with this episode. (00:07:08)

  2. Listener Questions – they’re back! More from the 7th solicitation. Your queries are numerous, thought provoking, and useful! Chances are, someone has the same questions as you do. Let’s continue to do our best to answer them! (00:25:24)

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Episode 254 - Dead Air Wolfman Testing and MP5 Performance Research (09-APR-2025)

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Episode 254 - Dead Air Wolfman Testing and MP5 Performance Research (09-APR-2025)

Today’s Topics:

  1. Sound Signature Review 6.182 – the Dead Air Wolfman on the HK SP5 – in both long and short configurations. Prolific (and also misunderstood) submachine gun silencer. Let’s dive into the technical discussion of the data and analysis published last week.

    a. Introduction (00:07:46)

    b. Physical Characteristics (00:17:31)

    c. Technical Performance – Long Configuration (00:27:10)

    d. Technical Performance – Short Configuration (00:44:04)

    e. MP5 Suppression Performance Comparisons (00:51:09)

  2. Pending Member Research – MP5 suppression. The Quietest 9mm Subgun Silencers. We all know and love the MP5 platform. It is, perhaps, one of the most famous and refined subgun silencer hosts that we have in small arms. So, which silencers help it to perform at its greatest potential? Which have the best signature reduction and tone? Ongoing in-depth signature research that will be delivered exclusively to PEW Science Members. Thank you for your support! (00:58:35)

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Episode 253 - Dead Air Wolfman Testing, Echo Zulu Defense, OSU, and PEW Anniversary (02-APR-2025)

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Episode 253 - Dead Air Wolfman Testing, Echo Zulu Defense, OSU, and PEW Anniversary (02-APR-2025)

Today’s Topics:

  1. The Silencer Sound Standard is now 5 years old! Thank you for supporting PEW Science all of these years and helping make this the industry standard for silencer sound suppression performance. (00:09:05)

  2. Big thanks to Oklahoma State University! Engineering faculty and students attended our seminar last week – a very welcoming group of people who are learning about fire, explosions, and protecting the public! A great degree program for folks that are interested. (00:30:06)

  3. Sound Signature Review 6.181 – the Echo Zulu Defense X1R556-Ti on the 5.56 standard untuned mid-gas 14.5-in barrel M4A1. Another hybrid design. Let’s dig into the technical talk for this report published last week. (00:42:45)

  4. Sound Signature Review 6.182 – the Dead Air Wolfman on the HK SP5 – in both long and short configurations. Prolific submachine gun silencer? Absolutely. Misunderstood? Clearly. Let’s do a quick introduction to this technical report published concurrently with this episode. (01:28:29)

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Episode 252 - Echo Zulu Defense X1R556-Ti Testing Intro (19-MAR-2025)

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Episode 252 - Echo Zulu Defense X1R556-Ti Testing Intro (19-MAR-2025)

Today’s Topics:

  1. Sound Signature Review 6.181 – the Echo Zulu Defense X1R556-Ti on the 5.56 standard untuned mid-gas 14.5-in barrel M4A1. Yet ANOTHER hybrid design? Yes. Now, are there levels to this? Also, yes. What happens when certain parameters are changed and slightly deviate from some core design principles? Introductory discussion for this whitepaper published with today’s episode. (00:06:24)

  2. PEW Science testing continues! The first quarter of 2025 has been very interesting; new hosts, new silencers, and all sort of things to show you. How far can the performance gauntlet take us? That’s literally what we are trying to determine! (00:22:21)

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Episode 251 - Centurion Arms Maximus-L Technical Discussion (13-MAR-2025)

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Episode 251 - Centurion Arms Maximus-L Technical Discussion (13-MAR-2025)

Today’s Topic:

  1. Sound Signature Review 6.180 – the Centurion Arms Maximus-L on the 5.56 standard untuned MK18. Another hybrid design, and another dedicated 5.56 model. This is the technical discussion for the report published last week.

    a. Introduction. (00:08:55)

    b. Metrics – what are they good for, anyway? (00:14:25)

    c. Maximus-L and the competition. (00:19:24)

    d. Report technical deep dive. (00:29:22)

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Episode 250 - Centurion Arms Maximus-L Testing Intro and Walther PPK-SD Update (05-MAR-2025)

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Episode 250 - Centurion Arms Maximus-L Testing Intro and Walther PPK-SD Update (05-MAR-2025)

Today’s Topics:

  1. Sound Signature Review 6.180 – the Centurion Arms Maximus-L on the 5.56 standard untuned MK18. Oh, my goodness gracious. Yet another hybrid design on the market?! The humanity! Dedicated 5.56 model, Inconel, light weight…. Does it bring the performance? This is the introductory discussion for the report published today with this episode. (00:06:37)

  2. The Walther PPK-SD chambered in .32ACP. We got it back from RMA! What was fixed? Apparently, a common issue. No more light strikes! A quick update on this potential future test host and the slow progress of its proving ground. (00:28:57)

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Episode 249 - Otter Creek Labs Infinity Testing Technical Performance (26-FEB-2025)

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Episode 249 - Otter Creek Labs Infinity Testing Technical Performance (26-FEB-2025)

Today’s Topics:

  1. Sound Signature Review 6.178 – the Otter Creek Labs Infinity on .308 bolt-action. New hybrid design silencer from OCL – two tests; both solid and vented 7.62 end caps. Technical discussion of the Infinity’s .308 performance.

    a. Intro and Infinity physical characteristics (00:07:34)

    b. Solid 7.62 end cap technical performance walkthrough (00:29:31)

    c. Vented 7.62 end cap technical performance walkthrough (00:36:58)

    d. Performance comparisons (00:45:44)

  2. Sound Signature Review 6.179 – the Otter Creek Labs Infinity on the 5.56 standard untuned MK18. Three tests! Solid 5.56 end cap, vented 5.56 end cap, and the vented 7.62 end cap. Adjustable back pressure. Technical discussion of the Infinity’s 5.56 performance.

    a. Intro and Polonium and Infinity 5.56 semiauto behavior (00:49:43)

    b. Solid 5.56 end cap performance notes (01:11:15)

    c. Vented 5.56 end cap performance notes (01:13:10)

    d. Vented 7.62 end cap performance notes (01:15:26)

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Episode 248 - Otter Creek Labs Infinity Testing Intro (19-FEB-2025)

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Episode 248 - Otter Creek Labs Infinity Testing Intro (19-FEB-2025)

Today’s Topics:

  1. Sound Signature Review 6.178 – the Otter Creek Labs Infinity on .308 bolt-action. New hybrid design silencer from OCL – two tests; both solid and vented 7.62 end caps. How does this technology perform with 7.62 NATO? Introductory discussion for this whitepaper published today. (00:09:35)

  2. Sound Signature Review 6.179 – the Otter Creek Labs Infinity on the 5.56 standard untuned MK18. Three tests! Solid 5.56 end cap, vented 5.56 end cap, and the vented 7.62 end cap. Adjustable back pressure? Yes. How does each configuration perform? Introductory discussion for this lengthy study published today. (00:23:48)

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Episode 247 - Dead Air Mojave 9 Testing and PEW Science Technical Discussion (12-FEB-2025)

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Episode 247 - Dead Air Mojave 9 Testing and PEW Science Technical Discussion (12-FEB-2025)

Today’s Topic:

  1. Sound Signature Review 6.177 – the Dead Air Mojave 9 on the HK P30L. Long and short configuration. Triskelion baffle technology. Technical discussion covering the performance of this new hybrid design in the market. What makes the new 3D-printed Dead Air technology tick? Subtopic timestamps:

    a. Introduction: (00:06:42)

    b. Physical design characteristics: (00:09:48)

    c. Long configuration technical performance: (00:30:30)

    d. Short configuration technical performance and summary: (00:48:58)

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Episode 246 - Dead Air Mojave 9 Testing Intro and Listener Questions (05-FEB-2025)

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Episode 246 - Dead Air Mojave 9 Testing Intro and Listener Questions (05-FEB-2025)

Today’s Topics:

  1. Sound Signature Review 6.177 – the Dead Air Mojave 9 on the HK P30L. Long and short configuration. Triskelion baffle technology. Another hybrid design in the market? You betcha! Highly requested research project and we went pretty deep! Find out what makes the new 3D-printed Dead Air technology tick in this latest whitepaper. This is the introductory discussion. (00:07:07)

  2. Listener Questions are back! It’s been a minute! We’ll dig back into the 7th solicitation and continue to address your queries. Sit back, relax, and let’s learn about silencers and silencer accessories! (00:25:26)

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Episode 245 - PEW Science PTR VENT Spiritus 556i Technical Discussion (29-JAN-2025)

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Episode 245 - PEW Science PTR VENT Spiritus 556i Technical Discussion (29-JAN-2025)

Today’s Topics:

  1. PEW Science Rankings Table Refresh – easier to use? Maybe. More organized? Definitely. Color-coded risk metrics? Finally! Please check out the update if you haven’t. It’s in both the public and member Rankings sections. (00:07:35)

  2. Sound Signature Review 6.175 – the PTR VENT Spiritus 556i on the standard 10.3-in MK18. The VENT series is back – this time in Inconel, a 6-in long package, and with an extremely advanced design. PTR military technology has trickled-down to consumers and it’s very interesting. Technical discussion of this report. (00:18:40)

  3. Sound Signature Review 6.176 – the PTR VENT Spiritus 556i on the standard 14.5-in M4A1RIII mid-gas system. Really amazing physical discovery in this test program! And, exceptional performance demonstration. Let’s talk about what you can expect when you lengthen your barrel with this silencer. Technical discussion of this second report. (00:55:55)

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Episode 244 - PTR VENT Spiritus 556i Testing Intro: MK18 and M4A1RIII (15-JAN-2025)

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Episode 244 - PTR VENT Spiritus 556i Testing Intro: MK18 and M4A1RIII (15-JAN-2025)

Today’s Topics:

  1. Sound Signature Review 6.175 – the PTR VENT Spiritus 556i on the standard 10.3-in MK18. The VENT series is back – this time in Inconel, a 6-in long package, and with an extremely advanced design. PTR military technology has trickled-down to consumers and it’s very interesting. The shooter’s ear hazard reduction is wild. This is the introductory discussion for this technical report published today. (00:09:05)

  2. Sound Signature Review 6.176 – the PTR VENT Spiritus 556i on the standard 14.5-in M4A1RIII mid-gas system. Really amazing physical discovery in this test program! And, exceptional performance demonstration. Let’s talk about what you can expect when you lengthen your barrel with this silencer. Introductory talk for the 2nd publication of today! (00:23:10)

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Episode 243 - B&T Station SIX 9 - PEW Science Full Technical Performance Analysis (08-JAN-2025)

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Episode 243 - B&T Station SIX 9 - PEW Science Full Technical Performance Analysis (08-JAN-2025)

Today’s Topic:

  1. Sound Signature Review 6.174 – B&T Station SIX 9 with the wiped SIX 9 silencer and the Training SIX 9 silencer. This is the technical discussion of the article published last week. Two silencers are featured in this test program. Subtopic timestamps:

    a. Topic intro (00:07:12)

    b. Station SIX 9 pistol operational overview (00:11:20)

    c. Wiped SIX 9 silencer physics and behavior (00:25:40)

    d. SIX 9 Training silencer performance (01:11:54)

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Episode 242 - B&T Station SIX 9 Wiped and Training Silencer Testing Intro (02-JAN-2025)

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Episode 242 - B&T Station SIX 9 Wiped and Training Silencer Testing Intro (02-JAN-2025)

Today’s Topic:

  1. Sound Signature Review 6.174 – B&T Station SIX 9 with the wiped SIX 9 silencer and the Training SIX 9 silencer. Kicking off 2025 with some B&T, as requested. Quiet? I mean, you be the judge, I guess. Old technology doesn’t create miracles all of a sudden. Maybe that is a good or handy axiom to kick off 2025. Introductory discussion for this extensive paper published today. All member funded! (00:08:37)

Happy New Year!

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Episode 241 - LMT AT ION LT Tech and Merry Christmas! (18-DEC-2024)

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Episode 241 - LMT AT ION LT Tech and Merry Christmas! (18-DEC-2024)

Today’s Topics:

  1. Sound Signature Review 6.173 – LMT AT ION LT on the standard 556 MK18. Lewis Machine & Tool has an Advanced Technologies division. We have been working with them as their 3rd party performance validator during some of their system development. This is the technical discussion for the report published last week. (00:07:18)

  2. Merry Christmas! If we don’t speak again before next Wednesday, I hope your Christmas with your family and loved ones is wonderful, full of joy, great food, great company, amazing blessings, and is all you could have dreamed. This is the best time of year – spend it being thankful, reflect, and enjoy!!! Get out there and shoot a reindeer! (01:00:33)

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Episode 240 - Rugged Obsidian 9 Tech and LMT AT ION LT Intro (11-DEC-2024)

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Episode 240 - Rugged Obsidian 9 Tech and LMT AT ION LT Intro (11-DEC-2024)

Today’s Topics:

  1. Sound Signature Review 6.172 – Rugged Suppressors Obsidian 9 on the HK P30L. Long configuration AND short configuration. Two tests. Chances are, you have shot this. This is the technical discussion of the article published 27-NOV. (00:06:33)

  2. Sound Signature Review 6.173 – LMT AT ION LT on the standard 556 MK18. Lewis Machine & Tool has an Advanced Technologies division. We have been working with them as their 3rd party performance validator during some of their system development. This is an introductory discussion for the ION LT report published today. (00:48:11)

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Episode 239 - Rugged Obsidian 9 Intro and Thanksgiving Thankfulness (27-NOV-2024)

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Episode 239 - Rugged Obsidian 9 Intro and Thanksgiving Thankfulness (27-NOV-2024)

Today’s Topics:

  1. Thanksgiving is almost here!!! What are you thankful for? Any particular silencer innovations to be thankful for? There may be some! (00:08:34)

  2. Sound Signature Review 6.172 – Rugged Suppressors Obsidian 9 on the HK P30L. Long configuration AND short configuration. Two tests. Long awaited? Yes. Worth it? I mean, maybe. Chances are, you have shot this, so hopefully this gives you some good performance peg points! Introductory discussion for today’s publication. (00:30:29)

Sponsored by - Silencer Shop, Top Gun Range Houston, Legion Athletics, Capitol Armory, and the PEW Science Laboratory!

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