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Flux Redux Glock chassis review: suppressed, SBR and FRT range test

Dirty CivilianOct 25, 2026Gun Reviews
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Key points: Flux Redux Glock chassis

  • The Redux brings Flux Defense back to Glocks, fitting Gen 4 and Gen 5 compact to full-size models from the 19 up, and swapping pistols takes about three minutes with one screw and one pin.
  • It is more minimal than the P320 Raider: no dual mag drop, no built-in QD sling point and no top shroud for a dot under night vision, and the beavertail makes the stock mag release hard to reach, so the hosts suggest an extended one.
  • With the stock collapsed, the rails cover the slide stop and crowd the controls, so plan on learning a new manual of arms.
  • Moving the red dot close to the eye changes parallax, so zero it in the chassis with your real cheek weld; after about 500 rounds chasing misses, the Aimpoint Acro gave the crew the most consistent hits at distance.
  • Suppressor fit depends on the thumb shroud: a slim JK Armament can fits with it on, and removing it cleared a Stealth Additive Works Shiv, the crew's favorite, and a SilencerCo Omega 9K.
  • The FRT build ran only after tuning recoil spring weight, lube, fresh magazines and heat, plus a Gen 4 slide stop in a Gen 5 frame to clear the ART trigger.
  • The hosts call the FRT setup a range toy because it would not hold to a single shot and the shooter answers for every round; suppressed without the reset trigger, they rate it very viable.

About this Gun Review video

Flux Redux Glock chassis review from Dirty Civilian: Flux Defense's return to Glocks after years on the Sig P320, run hard on a range day with a couple thousand rounds of 9mm. The crew covers how the Redux differs from the Raider, the new manual of arms, why you zero the dot in the chassis, which suppressors fit, and the variables that decide whether an FRT build runs. A drop-in Glock with a can is the easy win; the FRT setup takes tinkering.

Transcript: Flux Redux Glock

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All right, Cord. You know what to do. >> Get those horses under. I can't figure a man like Miles giving up that easy. East Point. I'm a heat. You think [music] about what you want to do. Don't come up. Ah, [groaning] [music] come back. Looks like they got us. Good. >> Phone. >> What? >> Get your phone out now. >> Drew Josh, what are you guys doing? How did you get in here? I mean, look, don't get… […]

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