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