F.I.S.H. - Fighting In Someone's House

Tremis Dynamics

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Product Overview

Fighting ISomeone's House.

"You know, fighting in a basement offers a lot of difficulties. Number one being: You're fighting in a basement" ~ 1st Lt. Aldo Raine

There are certain principles when it comes to using pieces of terrain when fighting. There is a lot more to it than simple types of terrain (Cover, Concealment, Barricades). In the Cover clinics, we put them under a microscope and dissect them. In FISH, we put them back together and use all the terrain types found inside a structure. We work all of the terrain types commonly found inside and apply them to the core principles of shooting, movement, and communication.

This class uses UTM-adapted carbines in non-ballistic structures against inanimate targets, reactive targets, and resisting opponents. A Mantis Blackbeard can be used for most of the day to reduce UTM ammo costs. This class is not scenario-based like the Adeptus series; it is instructional and uses student role-players in some evolutions after thoroughly exploring the topics.
This Class is a full day of working structures solo. The cost of UTM ONLY for the Final X is included in the cost. If you do not have a Blackbeard, you will need to purchase UTM ammo to use throughout the day. You can order a Blackbeard from us and we'll discount the combo.

FISH 1 is a 4-hour partial day on Friday evening, followed by a full 8-hour day on Saturday.

Prerequisite: Any 2-Day Carbine or Rifle Class.

Gear List:
One open mind
Sturdy clothing that covers exposed skin
Clear Eye protection
An ASTM - F1776 rated mask. (Some loaners available)
An AR-style rifle to be temporarily adapted for UTM ( No LAW folders)
Either a UTM Bolt or a Mantis Blackbeard System. (UTM Loaner Bolts available)
Approx 100 rounds of UTM Ammo if using UTM /30 if bringing a Mantis (Available for Purchase)
Pen and Paper
$Range Fee as indicated in the confirmation email (Varies by Location; 0-25 as set by the host range)


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  • 5
    FISHing in Ohio

    Posted by Iriquois "Foreskin" Pliskin on Mar 1st 2024

    This class is an absolute MUST for anyone who plans on defending their home from a tyrannical government, or your run of the mill invader. Marr taught us how to properly enter a room, clear a room, and simple things, like checking areas you wouldnt think to check. We were also taught how to properly maneuver with our long boi guns in confined spaces, how to present them when entering, etc. The Mantis system really helps so you can practice at home, work, in the inner cities where abandoned buildings are....but maybe go live there. All in all, if you havent taken this class, your wrong and you suck.

  • 5
    FISH in Lima OH

    Posted by Adam Hall on Oct 26th 2023

    Learned so much in this class. Smoked other 2 day classes by a mile.

  • 5
    Learn to F.I.S.H.!

    Posted by Steven K on Oct 26th 2023

    This class is a fantastic introduction to techniques and how to move in and around structures and different types of rooms. A necessity for effective home defense!

  • 5

    Posted by Matt Weik on Oct 26th 2023

    I was honored to be able to take the very first FISH class that Garry put on and it did not disappoint. In fact, Garry stayed late with us just to go over more information. If you take this class, you will walk away with a notebook full of information. I highly recommend you take this class or any class that Garry puts on for that matter. You won't regret it.