T.REX ARMS

Are you 18 or older?

By accessing this website, you confirm that you are of legal age to purchase firearms in your state of residence. Please note that state, county, and local restrictions may apply. Firearms that are not legally available in all 50 states will not be advertised via SMS.

All Holsters Ship in 1-5 Business Days

Field Manual Vault: free, searchable, downloadable military manuals

Search in
61 publications for “FM 3-21.8”
ATP 4-35 ·Army ·2023

Munitions Operations

This Army techniques publication (ATP) focuses on munitions operations and distribution from theater opening through theater closing. Munitions distribution is the operational process of synchronizing all elements and echelons of the… Current 118 pages Sustainment
MCRP 3-35.1D ·Marine Corps ·2011

Cold Region Operations

When conducting military operations in cold regions, leaders, Soldiers, and Marines must plan to fight two enemies: the cold and the opposing force. Despite the difficulties that cold regions pose, there are armies that have prepared for… Current 112 pages Small Unit Tactics
TC 3-22.9 C3 ·Army ·2016

Rifle and Carbine

Rifle and carbine employment for the M4- and M16-series weapons: function, ballistics, employment, and marksmanship. Supersedes FM 3-22.9 (2016, change 3). Current 252 pages Marksmanship Weapons
TC 3-22.19 C1 ·Army ·2017

Grenade Machine Gun Mk 19 Mod 3

TC 3-22.19 is comprised of nine chapters and five appendices, and is specifically tailored to the individual Soldier's use of the MK 19 grenade machine gun. This TC is divided into two major parts to provide specific information about the… Current 194 pages Marksmanship Weapons
TC 3-22.91 C1 ·Army ·2025

Mortar Fire Direction Procedures

Mortar fire direction procedures: manual and digital fire direction for mortar sections and platoons (2025, change 1). Current 536 pages Marksmanship Weapons
TC 3-22.240 ·Army ·2017

Medium Machine Gun

Training Circular (TC) 3-22.240 is comprised of nine chapters and six appendices, and is specifically tailored to the individual Soldier's use of the M240-series medium machine gun (MMG). It provides specific information about the weapon,… Current 202 pages Marksmanship Weapons
ATP 3-21.91 ·Army ·2017

Stryker Brigade Combat Team Weapons Troop

ATP 3-21.91, The SBCT weapons troop, discusses the techniques used while conducting missions. In addition to doctrine changes, a significant effort has been made to eliminate redundancies with parent doctrinal manuals (for example ADRP… Current 306 pages Small Unit Tactics
TC 3-22.249 ·Army ·2017

Light Machine Gun M249 Series

TC 3-22.249 is comprised of nine chapters and six appendices and is specifically tailored to the individual Soldier's use of the M249 light machine gun. TC 3-22.249 provides specific information about the weapon, aiming devices, and… Current 208 pages Marksmanship Weapons
TC 3-22.37 ·Army ·2013

Javelin-Close Combat Missile System, Medium

This publication provides technical information, training techniques, and guidance on the current Javelin weapon system and Block 1 improvements. The intended users include unit leaders, trainers, and designated gunners. The users will… Current 260 pages Marksmanship Weapons
MCTP 12-10B ·Marine Corps ·2017

Urban Operations

Operations in and around cities are one of the greatest challenges U.S. forces face. Unyielding population growth, urbanization of littoral areas, and greater resource needs drive instability that causes competition, crisis, or conflict.… Current 276 pages Small Unit Tactics
ATP 3-06 C1 ·Army ·2022

Urban Operations {mctp 12-10B}

Operations in and around cities are one of the greatest challenges U.S. forces face. Unyielding population growth, urbanization of littoral areas, and greater resource needs drive instability that causes competition, crisis, or conflict.… Current 278 pages Small Unit Tactics
TC 3-22.50 ·Army ·2017

Heavy Machine Gun M2 Series

TC 3-22.50 covers the M2 and M2A1 heavy barrel caliber .50 machine guns in the ground-mount role. The same principles and techniques apply to mounted weapons as well. The head space and timing are fixed on the M2A1 and it has a different… Current 256 pages Marksmanship Weapons
ATP 3-90.97 ·Army ·2016

Mountain Warfare and Cold Weather Operations

When conducting military operations in mountains or cold weather environments, leaders and Soldiers must plan to fight two enemies: the environment and the opposing force. Despite the difficulties that mountain and cold weather pose, there… Current 156 pages Fieldcraft Survival
FM 1-02.2 C1 ·Army ·2025

Military Symbols

This publication compiles Department of Defense Military Standard (MIL-STD) 2525E approved military symbols applicable to land operations for use in U.S. Army doctrinal publications, situation maps, overlays, and annotated aerial… Current 296 pages Doctrine Philosophy
ATP 2-33.4 C1 ·Army ·2020

Intelligence Analysis

ATP 2-33.4 discusses doctrinal techniques—descriptive methods for performing missions, functions, or tasks as they apply to intelligence analysis. ATP 2-33.4— Describes the intelligence analysis process. Discusses structured analytic… Current 174 pages Recon Intel
ATP 3-20.98 C1 ·Army ·2019

Scout Platoon

Techniques for the scout platoon conducting reconnaissance and security tasks: organization, mounted and dismounted movement, and platoon operations. Supersedes the 2013 edition. Current 416 pages Recon Intel
ATP 3-90.5 ·Army ·2021

Combined Arms Battalion

The focus of this Army techniques publication is to discuss how CAB leaders execute battalion-level tasks from planning through preparation and execution. The principles for planning operations are based on ADP 5-0, FM 6-0, and the… Current 348 pages Small Unit Tactics
ATP 4-02.4 ·Army ·2021

Medical Platoon

This publication provides information on the structure and operation of medical platoons and sections that are organic to maneuver battalions and squadrons operating in a Role 1 capacity within a brigade combat team's area of operation. It… Current 488 pages Medical TCCC
FM 3-90 ·Army ·2023

Tactics

Tactics are the employment, ordered arrangement, and directed actions of forces in relation to each other. Leaders select tactics that accomplish their assigned mission. Successful tactics require generating and applying combat power. This… Current 480 pages Small Unit Tactics
ADRP 1-03 ·Army ·2009

The Army Universal Task List

The Army Universal Task List (AUTL) describes what well-trained, well-led, and well-equipped Soldiers do for the Nation. While focused on the land dimension, abilities of Army forces complement abilities of other Services. The ability of… Current 532 pages Doctrine Philosophy
ATP 3-12.4 ·Army ·2023

Electromagnetic Warfare Platoon

ATP 3-12.4 provides techniques for electromagnetic warfare platoons at echelons corps and below. This publication provides doctrinal guidance; describes relationships in the platoon; defines organizational roles, functions, capabilities,… Current 178 pages Comms Signal
ATP 6-02.53 ·Army ·2025

Techniques for Tactical Radios and Retransmission

ATP 6-02.53 expands on the foundational information about tactical radios and tactical radio networks in FM 6-02. Tactical radios are critical command and control enablers. Tactical radio networks empower subordinate decision making and… Current 206 pages Comms Signal
TC 21-3 ·Army ·2025

Soldier`s Handbook for Individual Operations and Survival in Cold-Weather Areas

to Cold-Weather Operations DIFFERENT TYPES OF COLD CONDITIONS 1-1. There are different types of cold found throughout the world and each presents its own challenges. For Soldiers to be effective in a cold-weather environment, it is… Current 136 pages Fieldcraft Survival
ATP 3-90.40 ·Army ·2017

Combined Arms Countering Weapons of Mass Destruction

ATP 3-90.40 is a product of lessons learned and observations collected from the challenges faced during the execution of WMD elimination. The need for this doctrine was identified under the realization that CWMD is not a CBRN mission… Current 70 pages Small Unit Tactics
FM 6-99 ·Army ·2021

U.S. Army Report and Message Formats

While U.S. forces are among the most technologically advanced forces in the world, the need for redundancy and interoperability between joint and multinational forces requires the continued use of analog communication systems. Other… Current 236 pages Fires
TC 3-23.35 C2 ·Army ·2017

Pistol

This manual is comprised of nine chapters and four appendices, and is specifically tailored to the individual Soldier's use of the M9 service pistol. This training circular provides specific information about the weapon, aiming devices,… Current 140 pages Marksmanship Weapons
TC 7-21.10 ·Army ·2009

Infantry and Weapons Company Guide to Training Aids, Devices, Simulators, and Simulations

Today's broad range of missions and the unpredictable nature of the contemporary operational environment (COE) cause personnel turbulence, high operating tempo (OPTEMPO), and new equipment and systems. Time is an inflexible resource—there… Current 164 pages Leadership Training
TC 7-100.3 ·Army ·2014

Irregular Opposing Forces

This training circular (TC), as part of the TC 7-100 series, addresses the irregular opposing force (OPFOR), which in Army training exercises represents a composite of actual threats and enemies that comprise irregular forces. The three… Current 210 pages Recon Intel
TC 2-19.01 ·Army ·2021

Military Intelligence (MI) Company and Platoon Reference Guide

09 March 2021 TC 2-19.01 1-1 Chapter 1 Intelligence and Operations Throughout modern history, intelligence has been and remains an inherent part of military operations. From national and Department of Defense (DOD) levels down to the Army… Current 316 pages Recon Intel
TC 3-21.75 ·Army ·2013

The Warrior Ethos and Soldier Combat Skills

Duty, honor, country: Those three hallowed words reverently dictate what you ought to be, what you can be, and what you will be. They are your rallying point to build courage when courage seems to fail, to regain faith when there seems to… Current 308 pages Small Unit Tactics