Episode 327 - Tuna Cans Blackfin XL Testing and OCL Infinity 556K M4 Tech Discussion (21-OCT-2026)

/
Episode 327 - Tuna Cans Blackfin XL Testing and OCL Infinity 556K M4 Tech Discussion (21-OCT-2026)

Today’s Topics:

  1. Sound Signature Review 6.240 – Otter Creek Labs Infinity 556K on the 14.5-in 5.56 M4. OCL Infinity technology is one of the most characterized in the research. The technology was shown to scale with barrel length in the .30 caliber bore size. What happens with the dedicated bore 556K on the M4? Technical discussion of last week’s report and tone study. (00:06:25)

    a. Short re-intro and overview of the Infinity 556K (00:10:30)

    b. Infinity 556K MK18 and M4 performance differentials (00:12:54)

    c. Members-Only Tone Study (00:17:21)

    d. Infinity 556K Hazard Maps in Silencer Hazard Map Brief 8.1.37 (00:22:05)

    e. Performance Comparisons and Overall thoughts (00:26:59)

  2. Sound Signature Review 6.241 – Tuna Cans Blackfin XL 12-baffle and 9-baffle on the 300 BLK subsonic bolt-action rifle. The economy evaluations continue – we first evaluated this stepped cone design on the 5.56 M4. How does this type of baffle perform with much lower pressure? And as a .375 caliber silencer, does over-bore induce performance loss? And what about FRP? Intro to today’s double-header report. (00:40:56)

Sponsored by Legion Athletics and the PEW Science Laboratory!

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

Magpul code PSTEN

Read More

Episode 326 - OCL Infinity 556K M4 Testing and LPM Torch 762 MK18 Tech Discussion (14-OCT-2026)

/
Episode 326 - OCL Infinity 556K M4 Testing and LPM Torch 762 MK18 Tech Discussion (14-OCT-2026)

Today’s Topics:

  1. Sound Signature Review 6.239 – Liberty Precision Machine Torch 762 on the 10.3-in 5.56 MK18. How does this advanced hybrid .30 caliber silencer perform on 5.56? Technical Discussion of last week’s report. (00:09:45)

    a. Intro to the Torch 762 (00:13:38)

    b. Torch 762 general overview (00:15:54)

    c. Torch 762 silencer design and functional physics (00:22:30)

    d. Torch 762 MK18 Hazard Map in Silencer Hazard Map Brief 8.1.36 (00:34:55)

    e. Technical performance discussion (00:39:57)

    f. Performance Comparisons and Overall thoughts (00:49:13)

  2. Sound Signature Review 6.240 – Otter Creek Labs Infinity 556K on the 14.5-in 5.56 M4. OCL Infinity technology is one of the most characterized in the research. The technology was shown to scale with barrel length in the .30 caliber bore size. What happens with the dedicated bore 556K on the M4? Intro to today’s report! Bonus tone case study for members. (00:56:48)

Sponsored by Legion Athletics and the PEW Science Laboratory!

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

Magpul code PSTEN

Read More

Episode 317 - Otter Creek Labs Infinity 556K Technical Talk and Wright Armory i-DOT for USP45T (04-AUG-2026)

/
Episode 317 - Otter Creek Labs Infinity 556K Technical Talk and Wright Armory i-DOT for USP45T (04-AUG-2026)

Today’s Topics:

  1. Sound Signature Review 6.233 – Otter Creek Labs Infinity 556K on the MK18 with three different end caps. Bonus silencer tone study for PEW Science Members. How does the OCL Infinity technology behave when it has a more dedicated bore for the 5.56 cartridge? Any improvements over the larger 30 caliber Infinity? Technical discussion with an advanced analysis of “tone” physics that are always included in the Suppression Rating. (00:09:44)

    a. Intro and recap of this monster project (00:16:09)

    b. Infinity 556K general overview (00:17:35)

    c. Infinity 556K silencer design and functional physics (00:27:04)

    d. Three Hazard Maps in Silencer Hazard Map Brief 8.1.30 (00:38:18)

    e. High level performance discussion and “tone” – why does it matter? (00:45:06)

    f. Performance Comparisons and Overall thoughts (01:04:40)

  2. Wright Armory i-DOT on the USP 45 Tactical. Worth it? Initial thoughts on daily carry with this interesting option to modernize your beloved HK USP. (01:11:50)

Sponsored by Legion Athletics and the PEW Science Laboratory!

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

Magpul code PSTEN

Read More

Episode 316 - Otter Creek Labs Infinity 556K Testing, Tone, and T&K Vorix 30 Ti Tech (29-JUL-2026)

/
Episode 316 - Otter Creek Labs Infinity 556K Testing, Tone, and T&K Vorix 30 Ti Tech (29-JUL-2026)

Today’s Topics:

  1. Sound Signature Review 6.232 – T&K Vorix 30 Ti on .308 and 300 BLK bolt-action rifles. Multi-cartridge testing for this lightweight and compact bolt-action rifle silencer, to fully characterize its behavior. Technical discussion of last week’s report (00:07:22)

    a. Intro and recap – hunting silencer? (00:08:52)

    b. Vorix 30 Ti general overview (00:11:55)

    c. Vorix 30 Ti silencer design and functional physics (00:16:18)

    d. Hazard Map Brief 8.1.29 (00:24:07)

    e. Vorix 30 Ti silencer performance with .308 and 300 BLK (00:33:18)

    f. Performance Comparisons and Overall thoughts (01:01:54)

  2. Sound Signature Review 6.233 – Otter Creek Labs Infinity 556K on the MK18 with three different end caps. Bonus silencer tone study for PEW Science Members. How does the OCL Infinity technology behave when it has a more dedicated bore for the 5.56 cartridge? Any improvements over the larger 30 caliber Infinity? Introductory discussion for today’s big report on this variable back pressure hard use silencer with an advanced analysis of “tone” physics that are always included in the Suppression Rating. (01:08:13)

Sponsored by Legion Athletics and the PEW Science Laboratory!

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

Magpul code PSTEN

Read More