Episode 280 - Otter Creek Labs Infinity AK Testing Intro and Blast Overpressure (22-OCT-2025)

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Episode 280 - Otter Creek Labs Infinity AK Testing Intro and Blast Overpressure (22-OCT-2025)

Today’s Topics:

  1. Sound Signature Review 6.204 – Otter Creek Labs Infinity on 16.3-in and 12.6-in AK systems. The Infinity it one of the most characterized silencers by the PEW Science Laboratory. With the addition of these two tests, it brings the total amount of Infinity record numbers in the Rankings to 11. In this test program, the vented 7.62 end cap was used, exclusively. Could AK suppression be the Infinity sweet spot? This is an introduction to the white paper published today. (00:08:37)

  2. Quick note about blast overpressure. There are hundreds of reports at pewscience.com characterizing blast overpressure from suppressed small arms. What is it? Well, you actually already know. (00:25:07)

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Episode 279 - CAT CACM 556 Testing Technical Discussion (15-OCT-2025)

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Episode 279 - CAT CACM 556 Testing Technical Discussion (15-OCT-2025)

Today’s Topic:

  1. Sound Signature Review 6.203 – Combat Application Technologies CAT CACM 556 on the standard 10.3-in untuned MK18. This is a system-optimized silencer, but PEW Science recommended a standard host platform be used for public evaluation. How does this latest SURGE BYPASS model perform in a 6-inch envelope? Technical discussion for last week’s report.

    a. Intro (00:07:39)

    b. Physical overview (00:19:39)

    c. Silencer Design (00:32:21)

    d. System Performance (00:47:58)

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Episode 278 - CAT CACM 556 Testing and Zastava ZVUK 7.62x39 Tech Discussion (08-OCT-2025)

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Episode 278 - CAT CACM 556 Testing and Zastava ZVUK 7.62x39 Tech Discussion (08-OCT-2025)

Today’s Topics:

  1. Sound Signature Review 6.202 – Zastava ZVUK on a 16.3-in Yugoslavian AK-pattern system. Another U.S. tribute to the venerable Soviet PBS silencer! You saw the Wolverine performance last time. How does an even more modern PBS homage perform? Does this particular implementation of PIP bring the performance? Technical discussion for last week’s report. (00:09:12)

  2. Sound Signature Review 6.203 – Combat Application Technologies CAT CACM 556 on the standard 10.3-in untuned MK18. This is a system-optimized silencer, but PEW Science recommended a standard host platform be used for public evaluation. How does this latest SURGE BYPASS model perform in a 6-inch envelope? The total performance may (or may not) surprise you. The 556 wars rage on; this is an introductory discussion for today’s whitepaper. (00:52:36)

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Episode 277 - Zastava ZVUK 7.62x39 PEW Science Testing Intro (01-OCT-2025)

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Episode 277 - Zastava ZVUK 7.62x39 PEW Science Testing Intro (01-OCT-2025)

Today’s Topic:

  1. Sound Signature Review 6.202 – Zastava ZVUK on a 16.3-in Yugoslavian AK-pattern system. Another U.S. tribute to the venerable Soviet PBS silencer! You saw the Wolverine performance last time. How does an even more modern PBS homage perform? Does this particular implementation of PIP bring the performance? Introduction to today’s whitepaper.

    a. Intro and aesthetics (00:05:30)

    b. Technology and performance first look (00:11:41)

    c. Initial thoughts about the competition and how the AK suppression space will unfold (00:21:30)

    d. What to expect in this report (00:31:58)

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Episode 276 - Dead Air Wolverine AK Testing: Technical Performance Evaluation (24-SEP-2025)

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Episode 276 - Dead Air Wolverine AK Testing: Technical Performance Evaluation (24-SEP-2025)

Today’s Topics:

  1. Public Research Supplement 6.200 – Unsuppressed 7.62x39mm AK-Pattern Rifles as Silencer Test Hosts. Zastava ZPAPM70 (16.3-in barrel), Arsenal SAM7R (16.3-in barrel), and Arsenal SAM7C (12.6-in barrel). Technical discussion of this new host platform. (00:06:54)

  2. Sound Signature Review 6.201 – Dead Air Wolverine on every AK. How does this U.S. tribute to the venerable Soviet PBS silencer system perform? How does AK action noise manifest? How much does it matter? Can the Wolverine suppress your AK to levels of a modern suppressed AR-15? Technical discussion of last week’s whitepaper.

    a. Intro (00:26:20)

    b. Physical overview (00:34:08)

    c. Silencer Design (00:42:53)

    d. System Performance (00:45:45)

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Episode 275 - Dead Air Wolverine AK Testing, Wolfpack Armory Disruptor 556, MCX Heat (17-SEP-2025)

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Episode 275 - Dead Air Wolverine AK Testing, Wolfpack Armory Disruptor 556, MCX Heat (17-SEP-2025)

Today’s Topics:

  1. Sound Signature Review 6.199 – Wolfpack Armory Disruptor 556 on the 14.5-in M4. There are a lot of new silencers and new silencer companies entering the space, and we say – the more the merrier. How does this conventionally designed offering stack up in the performance pedigree? This is the combined intro and technical discussion for the report published on 06-SEP. (00:08:23)

  2. Public Research Supplement 6.200 – Unsuppressed 7.62x39mm AK-Pattern Rifles as Silencer Test Hosts. Zastava ZPAPM70 (16.3-in barrel), Arsenal SAM7R (16.3-in barrel), and Arsenal SAM7C (12.6-in barrel). In Soviet Russia… silencer suppresses… you? Ha! Let’s take a look at this interesting and historic platform. And… how do we make it quieter?! (00:28:11)

  3. Sound Signature Review 6.201 – Dead Air Wolverine on every AK. How does this U.S. tribute to the venerable Soviet PBS silencer system perform? How does AK action noise manifest? How much does it matter? Can the Wolverine suppress your AK to levels of a modern suppressed AR-15? All that, and more, in this intro to today’s multi-test research publication. (00:36:28)

  4. SIG MCX Suppressor Compliant Handguard Heat Mitigation. Just a note that the effort has started. Work in progress. Check out the progress here. (00:45:33)

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Episode 274 - Microtech Defense R2K9 Testing Technical Discussion (03-SEP-2025)

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Episode 274 - Microtech Defense R2K9 Testing Technical Discussion (03-SEP-2025)

Today’s Topic:

  1. Sound Signature Review 6.198 – Microtech Defense R2K9 on the HK P30L. This modular pistol silencers offers lengths that are a bit longer than typical, but produce an interesting performance opportunity for users interested in such a design. How does the optimized k-baffle technology in the R2K9 stack up with current high performers on the market? Technical discussion for the report published last week. (00:06:53)

    a. Intro (00:08:02)

    b. Physical overview (00:15:22)

    c. Silencer Design (00:37:49)

    d. System Performance (00:46:42)

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Episode 273 - Microtech Defense R2K9 Testing and SIG MCX LT Heat Mitigation (27-AUG-2025)

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Episode 273 - Microtech Defense R2K9 Testing and SIG MCX LT Heat Mitigation (27-AUG-2025)

Today’s Topics:

  1. Sound Signature Review 6.198 – Microtech Defense R2K9 on the HK P30L. It’s been about 5 years or so, give or take, since this silencer hit the market. It’s about as old as PEW Science. Was it ahead of its time? Or was it simply a diamond in the rough that folks glossed over? Check out this interesting modular pistol silencer and the fully-featured accessory package in this Member Funded research – intro talk for today’s white paper. (00:08:14)

  2. The SIG MCX, or “LVAW” and its variants. 6.75” Rattler LT recreational use continues. Really hammering the system with subs and supers. And, have some ideas for heat mitigation. Let’s continue the discussion we had last week. (00:28:06)

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Episode 272 - CAT KK MK18 Tech Talk and SIG MCX LT Suppressor Compliant Handguard (20-AUG-2025)

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Episode 272 - CAT KK MK18 Tech Talk and SIG MCX LT Suppressor Compliant Handguard (20-AUG-2025)

Today’s Topics:

  1. Sound Signature Review 6.197 – Combat Application Technologies CAT KK on the 10.3 5.56 MK18. Small silencer with performance that was a little surprising. Hybrid design advanced silencers continue to push the envelope. Technical discussion for the whitepaper published last week.

    a. Intro and physical characteristics. (00:08:26)

    b. Design, system performance, and mount considerations. (00:17:11)

    c. Performance extrapolation. Possible? (00:45:31)

  2. The SIG MCX, or “LVAW” and its variants. 6.75” Rattler LT recreational use has been underway. Some interesting findings to share from a recent range outing. Approximately 1000 rounds of various ammo brands, subs and supers, fired from the system with the SIG SD handguard. Practical? Absolutely not, if you shoot a lot. Here are some thoughts. (00:54:08)

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Episode 271 - OCL Infinity M4 Tech Talk and CAT KK MK18 Intro (13-AUG-2025)

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Episode 271 - OCL Infinity M4 Tech Talk and CAT KK MK18 Intro (13-AUG-2025)

Today’s Topics:

  1. Sound Signature Review 6.196 – Otter Creek Labs Infinity on the 14.5-in mid-length gas M4A1. You’ve seen this durable, versatile silencer on everything from 7.62 NATO to subsonic 300 BLK to short barrel 5.56 NATO. What have we learned about the Infinity, and how its technology works? How does the hybrid Otter Creek Infinity technology respond to lowering blast load input severity with 5.56? Very interesting findings – this technical talk covers them.

    a. Big Picture and – barrel length? Why does it matter, anyway? (00:09:04)

    b. Solid 5.56 End Cap Performance (00:24:34)

    c. Vented 5.56 End Cap Performance (00:50:32)

    d. Vented 7.62 End Cap Performance (00:53:28)

    e. Performance comparison and nuance (00:56:28)

  2. Sound Signature Review 6.197 – Combat Application Technologies CAT KK on the 10.3 5.56 MK18. Hybrid design advanced silencers continue to push the envelope. The past 5 years have been full of tremendous performance gains, particularly in high pressure supersonic cartridge suppression. As the competition continues, how does form factor fit into the mix? The CAT KK, and others, bring that discussion to the forefront. Introductory talk for the whitepaper published today. (01:13:25)

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Episode 270 - FOR Systems Recce Technical Overview and OCL Infinity M4 Testing Intro (06-AUG-2025)

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Episode 270 - FOR Systems Recce Technical Overview and OCL Infinity M4 Testing Intro (06-AUG-2025)

Today’s Topics:

  1. Sound Signature Review 6.195 – FOR Systems Monarch Recce on the 10.3 5.56 MK18. Speaking of form factor… this silencer is a little over 5 inches long, as tested, and it’s ready to party. Hybrid designs continue to be developed, and the status quo just might be changing. Do short 5.56 silencers have to be loud? Technical discussion of this whitepaper published last week.

    a. Intro (00:06:58)

    b. Physical overview (00:08:55)

    c. Silencer design (00:14:28)

    d. System performance (00:18:58)

  2. Sound Signature Review 6.196 – Otter Creek Labs Infinity on the 14.5-in mid-length gas M4A1. You’ve seen this durable, versatile silencer on everything from 7.62 NATO to subsonic 300 BLK to short barrel 5.56 NATO. Have we solved its riddle yet? How does the hybrid Otter Creek Infinity technology respond to lowering blast load input severity with 5.56? Very interesting findings – intro talk for today’s publication. (00:41:33)

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Episode 269 - Dillon DRC556 Technical Overview and FOR Systems Monarch Recce Intro (30-JUL-2025)

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Episode 269 - Dillon DRC556 Technical Overview and FOR Systems Monarch Recce Intro (30-JUL-2025)

Today’s Topics:

  1. Sound Signature Review 6.194 – Dillon Rifle Company DRC556 on the 14.5 5.56 M4. Oh my goodness – more Purposely Induced Porosity silencers? Yes. PIP is proliferating. How does this adaptation of the technology perform? Technical discussion for this paper published last week – the form factor wars are heating up!

    a. Intro (00:05:10)

    b. Physical overview (00:06:38)

    c. Silencer design (00:09:00)

    d. System performance (00:11:45)

  2. Sound Signature Review 6.195 – FOR Systems Monarch Recce on the 10.3 5.56 MK18. Speaking of form factor… this silencer is a little over 5 inches long, as tested, and it’s ready to party. Hybrid designs continue to be developed, and the status quo just might be changing. Do short 5.56 silencers have to be loud? Learn more about why, or why not, in today’s report! (00:36:08)

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Episode 268 - PEW Science Dillon DRC556 M4 Testing – Introduction (23-JUL-2025)

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Episode 268 - PEW Science Dillon DRC556 M4 Testing – Introduction (23-JUL-2025)

Today’s Topic:

  1. Sound Signature Review 6.194 – Dillon Rifle Company DRC556 on the 14.5 5.56 M4. Oh my goodness – more Purposely Induced Porosity silencers? Yes. PIP is proliferating. How does this adaptation of the technology perform? Form factor is becoming a hot topic lately. Let’s explore this new silencer from Dillon in this introductory discussion to the whitepaper published today! (00:03:58)

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Episode 267 - CAT TSWIF Testing Technical Discussion and 300 BLK MCX Rattler LT Stuff (16-JUL-2025)

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Episode 267 - CAT TSWIF Testing Technical Discussion and 300 BLK MCX Rattler LT Stuff (16-JUL-2025)

Today’s Topics:

  1. Sound Signature Review 6.193 – Combat Application Technologies CAT/TSWIF on the 14.5 5.56 M4. This is a “blast diverter” micro silencer; it is intended to be used with blast diverters and flash suppressors from Apparition Instruments, Noveske Rifleworks, and others. Technical discussion of the whitepaper published last week. (00:08:22)

  2. Sig 6.75 300 BLK Rattler LT backorder came in. How does it differ from the 6.75 Virtus TACOPS? Great question. It’s definitely similar, but also different. Initial observations and thoughts, as requested by many of you. Barrel and valve gas port sizes measured and on the PEW Science Small Arms Technical Data page of the website. (00:45:39)

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Episode 266 - CAT TSWIF 14.5 M4 Testing Intro and Listener Questions (09-JUL-2025)

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Episode 266 - CAT TSWIF 14.5 M4 Testing Intro and Listener Questions (09-JUL-2025)

Today’s Topics:

  1. Sound Signature Review 6.193 – Combat Application Technologies CAT/TSWIF on the 14.5 5.56 M4. This is a “blast diverter” micro silencer; it is intended to be used with blast diverters and flash suppressors from Apparition Instruments, Noveske Rifleworks, and others. If you are avoiding SBR registration, does something like this work? Quick intro to the system. (00:07:35)

  2. Listener Questions are Back! Let’s dive back into the 7th Solicitation. It’s been a minute. Let’s dive back in and answer your queries. (00:25:10)

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Episode 265 - Engaged Industries Operator 5.56 Tech Performance and Industry Update (02-JUL-2025)

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Episode 265 - Engaged Industries Operator 5.56 Tech Performance and Industry Update (02-JUL-2025)

Today’s Topics:

  1. Sound Signature Review 6.192 – Engaged Industries Operator 5.56 on the MK18. Smaller diameter silencers making a comeback? Potentially. Does this silencer bring competitive performance to a crowded market? Technical discussion for this technical report published last week. (00:08:50)

  2. Ongoing testing is awesome. New test hosts are awesome. New silencers are awesome. What a time to be alive! Let’s have a quick chat about where we see things going in the industry, as related to technology and performance. (00:41:20)

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Episode 264 - CAT RAT MCX Technical Discussion and Engaged Industries Operator 5.56 (25-JUN-2025)

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Episode 264 - CAT RAT MCX Technical Discussion and Engaged Industries Operator 5.56 (25-JUN-2025)

Today’s Topics:

  1. Semiauto 300 BLK is here! Sound Signature Review 6.191 – Combat Application Technologies CAT/RAT on the 6.75-in SIG SAUER MCX AR-18 consumer retail LVAW analog in all three of its modular configurations (COVERT, FLOW, and Base). This is the technical talk for the report published last week.

    a. Technical Intro (00:07:24)

    b. SIG MCX technical performance factors (00:10:33)

    c. CAT RAT COVERT performance (00:42:38)

    d. CAT RAT FLOW performance (01:01:51)

    e. CAT RAT Base performance (01:09:29)

  2. Sound Signature Review 6.192 – Engaged Industries Operator 5.56 on the MK18. Smaller diameter silencers making a comeback? Potentially. Weight savings can be real – does this silencer bring competitive performance to a crowded market? Introductory discussion for this technical report published with today’s episode. (01:21:28)

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Episode 263 - CAT RAT 300 BLK MCX Testing Intro and PWS BDE 22 Tech Discussion (18-JUN-2025)

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Episode 263 - CAT RAT 300 BLK MCX Testing Intro and PWS BDE 22 Tech Discussion (18-JUN-2025)

Today’s Topics:

  1. Sound Signature Review 6.190 – the Primary Weapon Systems PWS BDE 22 on the subcompact Beretta 21A (Bobcat). A little rimfire palate cleanser for you! Monocore, 3D printed, user serviceable. Technical discussion of this lightweight silencer’s performance that was characterized in last week’s report (00:09:09)

  2. Semiauto 300 BLK is here! Sound Signature Review 6.191 – Combat Application Technologies CAT/RAT on the 6.75-in SIG SAUER MCX AR-18 consumer retail LVAW analog. The CAT RAT is modular – but not how we typically see. This is also more than an end cap change. Let’s introduce both this new test host and this new silencer system designed specifically for the SIG MCX and Rattler family of PDWs.

    a. Topic Intro (00:35:33)

    b. SIG MCX System Intro (00:39:40)

    c. CAT RAT System Intro (00:51:33)

    d. CAT RAT Program Intro (01:03:26)

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Episode 262 - Q Southpaw Testing Tech Discussion and PWS BDE 22 Intro (11-JUN-2025)

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Episode 262 - Q Southpaw Testing Tech Discussion and PWS BDE 22 Intro (11-JUN-2025)

Today’s Topics:

  1. PEW Science Member Deals are here! Slowly but surely, we would like to give you members something a little extra – more than you get already. This is our way of thanking you for all of your amazing support! (00:08:08)

  2. Sound Signature Review 6.189 – the Q Southpaw on the standard untuned MK18. Highly requested research study – funded by PEW Science Members! How does this update to the Q Trash Panda, for 5.56, address the performance deficiencies we saw with over-bore? This is the technical discussion of the whitepaper published 28-MAY. (00:12:26)

  3. Sound Signature Review 6.190 – the Primary Weapon Systems PWS BDE 22 on the subcompact Beretta 21A (Bobcat). A little rimfire palate cleanser for you! Monocore? 3D printed? Certainly – and you can take it apart. Let’s take a look at this lightweight silencer in this intro talk for the research published with today’s episode. (00:52:23)

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

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Episode 261 - Q Southpaw Testing Intro and Off Grid Scorpius Tech Discussion (28-MAY-2025)

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Episode 261 - Q Southpaw Testing Intro and Off Grid Scorpius Tech Discussion (28-MAY-2025)

Today’s Topics:

  1. Sound Signature Review 6.188 – Off Grid Scorpius on the Beretta 21A subcompact .22LR pistol. Some more rimfire data and analysis for you folks! Small. Light. Quiet. Technical discussion for the whitepaper published last week. (00:07:07)

  2. Sound Signature Review 6.189 – the Q Southpaw on the standard untuned MK18. Highly requested research study – funded by PEW Science Members! How does this update to the Q Trash Panda, for 5.56, address the performance deficiencies? Or does it at all? Let’s talk about that in this intro topic for the whitepaper published today with this episode. (00:25:57)

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