Episode 311 - Tuna Cans 5.56 XL and WRMFZY 5.56 Testing and FOR Predator 6.5 Tech (24-JUN-2026)

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Episode 311 - Tuna Cans 5.56 XL and WRMFZY 5.56 Testing and FOR Predator 6.5 Tech (24-JUN-2026)

Today’s Topics:

  1. Sound Signature Review 6.228 – FOR Systems Predator 6.5 with 6.5 PRC. Hunters rejoice. Killing two birds with one stone – adding pressure and shrinking jet diameter. Please welcome 6.5 PRC to the research pedigree. The FOR Systems Predator 6.5 kicks things off. Technical discussion of last week’s report. (00:10:42)

    a. Intro and recap (00:11:50)

    b. Predator 6.5 overview (00:17:10)

    c. Predator 6.5 silencer design (00:24:56)

    d. Hazard Map Brief 8.1.25 (00:31:54)

    e. System performance (00:42:13)

    f. Overall thoughts (01:06:43)

  2. Sound Signature Review 6.229 – Tuna Cans 5.56 XL and WRMFZY 5.56 on the 14.5-in M4. Two silencers from the new breed of economical manufacturing that is occurring in the industry. Well-understood traditional and conventional baffle designs. How does varying length and volumetric expansion vary performance, if at all? Intro to today’s multi-silencer case study report. (01:08:11)

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Episode 310 - 6.5 PRC Silencer Testing: FOR Systems Predator 6.5 and AAC Ti-RANT 45 Tech (17-JUN-2026)

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Episode 310 - 6.5 PRC Silencer Testing: FOR Systems Predator 6.5 and AAC Ti-RANT 45 Tech (17-JUN-2026)

Today’s Topics:

  1. Sound Signature Review 6.227 – the original, legacy AAC Ti-RANT 45 on the .45ACP 1911 full size combat handgun. Standardized .45ACP pistol silencer testing is finally here! The performance of this historic silencer was examined in great detail in last week’s report. This is the technical discussion of the silencer’s performance. (00:09:15)

    a. Intro and recap (00:11:36)

    b. Ti-RANT 45 overview (00:14:35)

    c. Ti-RANT 45 silencer design (00:32:43)

    d. Hazard Map Brief 8.1.24 (00:43:30)

    e. System performance (00:49:12)

    f. Overall thoughts (01:03:39)

  2. Sound Signature Review 6.228 – FOR Systems Predator 6.5 with 6.5 PRC. Hunters rejoice. We’re adding combustion energy to the Silencer Sound Standard, gradually! And we’re killing two birds with one stone – shrinking jet diameter. Please welcome 6.5 PRC to the research pedigree. The FOR Systems Predator 6.5 kicks things off. Don’t worry, long action magnum is still coming later. Let’s talk about the method to the madness and just how much 6.5 PRC differs from .308 in today’s introductory discussion. (01:06:08)

Sponsored by Legion Athletics and the PEW Science Laboratory!

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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)

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

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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)

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

Legion Athletics: use code pewscience for BOGO off your entire first order and 20% cash back always!

Magpul: Use code PSTEN to receive $10 off your order of $100 or more at Magpul

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Episode 219 - FOR Systems Monarch 7.62 Technical Discussion (10-JUL-2024)

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Episode 219 - FOR Systems Monarch 7.62 Technical Discussion (10-JUL-2024)

Today’s Topics:

  1. Sound Signature Review 6.155 – The FOR Systems Monarch 7.62 on .308 bolt-action. Boy howdy…. DMLS continues to be interesting. Inconel? Yes. Low(er) backpressure? Yes. Performance? Apparently so! Let’s check out this very interesting silencer in this introductory discussion to the article published today! (00:08:14)

  2. Knee deep in the corn? Quite literally. KAC everywhere… and it’s not normal. We have been testing the daylights out of these PRT silencers and it’s been…… interesting. Just about every combination has been examined. The enthusiasts will certainly benefit! This is PEW Science funded internal research. (00:24:06)

Sponsored by - High End Armament Technology, Top Gun Range Houston, Legion Athletics, and the PEW Science Laboratory!

Legion Athletics: use code pewscience for 20% off your first order and double points!

Ammo from True Shot: Click Here! (use code pewscience for $20 off the A-Zone program)

Magpul: Use code PSTEN to receive $10 off your order of $100 or more at Magpul

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Episode 218 - FOR Systems Monarch 7.62 Intro and KAC PRT System Program Update (03-JUL-2024)

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Episode 218 - FOR Systems Monarch 7.62 Intro and KAC PRT System Program Update (03-JUL-2024)

Today’s Topics:

  1. Sound Signature Review 6.155 – The FOR Systems Monarch 7.62 on .308 bolt-action. Boy howdy…. DMLS continues to be interesting. Inconel? Yes. Low(er) backpressure? Yes. Performance? Apparently so! Let’s check out this very interesting silencer in this introductory discussion to the article published today! (00:08:14)

  2. Knee deep in the corn? Quite literally. KAC everywhere… and it’s not normal. We have been testing the daylights out of these PRT silencers and it’s been…… interesting. Just about every combination has been examined. The enthusiasts will certainly benefit! This is PEW Science funded internal research. (00:24:06)

Sponsored by - High End Armament Technology, Top Gun Range Houston, Legion Athletics, and the PEW Science Laboratory!

Legion Athletics: use code pewscience for 20% off your first order and double points!

Ammo from True Shot: Click Here! (use code pewscience for $20 off the A-Zone program)

Magpul: Use code PSTEN to receive $10 off your order of $100 or more at Magpul

Read More