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
FM 1 ·Army ·2025

The Army: A Primer to Our Profession of Arms

This book is written for our Army. It explains our profession, our purpose, and what it means to be an American Soldier. You will notice this book is not written like other military doctrine; it touches on values and concepts through… Current 104 pages Aviation
FM 1-02.1 ·Army ·2026

Operational Terms

30 May 2026 FM 1-02.1 v This third edition of FM 1-02.1 compiles all Army terms and definitions approved for use in Army doctrinal publications, including ADPs, FMs, and ATPs. It also includes joint and North Atlantic Treaty Organization… Current 150 pages Doctrine Philosophy
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
FM 100-17-3 ·Army ·1999

Reception, Staging, Onward Movement, and Integration (RSO&I)

Get there first, with the most men. Lt. Gen. Nathan Bedford Forrest, CSA (1821-1877) The end of the Cold War caused fundamental changes in the international security situation and US military strategy, resulting in a profound redirection… Current 175 pages Doctrine Philosophy
FM 12-75E ·Army ·Undated

Personnel Actions Specialist

SLi The Enlisted Personnel Management System (EPMS) The Enlisted Personnel Management System (EPMS) is a combination of policies related to training, evaluation, classification, and promotion. EPMS has been developed to help every soldier… Current 169 pages Sustainment
FM 2-0 ·Army ·2023

Intelligence

Intelligence drives multidomain operations and multidomain operations enable intelligence. FM 2-0 focuses on the role of intelligence during operations by Army forces and is closely nested with the operational doctrine in FM 3-0,… Current 328 pages Recon Intel
FM 2-22.3 ·Army ·2006

Human Intelligence Collector Operations (Effective on 25 April 2025, See Footnote for More Details)

FM 2-22.3 differ, the handling and treatment of sources must be accomplished in accordance with applicable law and policy. Applicable law and policy include US law; the law of war; relevant international law; relevant directives including… Current 384 pages Recon Intel
FM 3-0 ·Army ·2025

Operations

This version of FM 3-0 is an update to the edition published in October 2022. The manual retains the focus on large-scale combat operations and reinforces the point: all operations are multidomain operations. Since 2022, the Army learned… Current 296 pages Doctrine Philosophy
FM 3-01 ·Army ·2025

U.S. Army Air and Missile Defense Operations

Department of Defense Directive 5100.01 charges the Army to "conduct air and missile defense to support joint campaigns and assist in achieving air superiority." FM 3-01 describes the contributions of ADA, the Army's dedicated AMD… Current 218 pages Fires
FM 3-01.44 ·Army ·2022

Short-Range Air Defense Operations

The current strategic environment–with revanchist Russia and revisionist China–is typified by continuous competition among great powers which challenges the security environment and operational deterrence. Subsequently, today's operational… Current 104 pages Fires
FM 3-05 ·Army ·2025

Army Special Operations

As one of the Army's five core competencies, special operations are activities or actions requiring distinct modes of employment, tactical techniques, equipment, and training, often conducted in hostile, denied, or politically or… Current 102 pages Small Unit Tactics
FM 3-07 ·Army ·2014

Stability

Doctrine by definition is broad in scope and involves principles, tactics, techniques, and procedures applicable to Army operations worldwide. Thus, this publication does not focus on any region or country. Nor is it intended to be a… Current 108 pages Doctrine Philosophy
FM 3-08 ·Army ·2026

Casualty Evacuation Support to Operations

FM 3-08 focuses on the essential aspects of CASEVAC within the military framework, aligning its content with the principles and strategies outlined in FM 3-0 and FM 4-02. Beyond its role in medical care, CASEVAC is a critical enabler of… Current 158 pages Small Unit Tactics
FM 3-09 ·Army ·2024

Fire Support and Field Artillery Operations

This version of FM 3-09 codifies the multidomain approach to fire support and field artillery operations in terms of the combined arms employment of capabilities from multiple domains. A domain is a physically defined portion of an… Current 284 pages Fires
FM 3-11 ·Army ·2025

Chemical, Biological, Radiological, and Nuclear Operations

As the United States Army operates in potential chemical, biological, radiological, or nuclear (CBRN) environments in the 21st century, we must account for new and emerging CBRN threats. Many peer, near-peer, and even sub-peer adversaries… Current 128 pages CBRN
FM 3-13 ·Army ·2016

Information Operations

Over the past two decades, Army information operations (IO) has gone through a number of doctrinal evolutions, explained, in part, by the rapidly changing nature of information, its flow, processing, dissemination, impact and, in… Current 108 pages Other
FM 3-13.4 ·Army ·2019

Army Support to Military Deception

When properly resourced and integrated, deception has the potential to deter or induce actions that are favorable to the force and can increase the success of friendly activity. In the same way that operations transition from one phase to… Current 92 pages Other
FM 3-14 ·Army ·2026

Army Space Operations

Over the last three decades, assumptions of individual domain supremacy and the break in great-power security competition drove the U.S. joint force doctrine, equipment, and readiness posture. These assumptions have evolved when faced with… Current 96 pages Other
FM 3-16 ·Army ·2024

The Army in Multinational Operations

Whenever commonality of interests exists, nations enter political, economic, or military partnerships, or combinations thereof. These partnerships occur in regional and worldwide patterns as nations seek opportunities to promote their… Current 148 pages Doctrine Philosophy
FM 3-22 C1 ·Army ·2023

Army Support to Security Cooperation

In an era of strategic competition there are times where security cooperation (SC) may become the primary effort by strategic necessity—both to deter our adversaries prior to conflict, and to strengthen our allies and partners before and… Current 90 pages CBRN
FM 3-22.9C1 ·Army ·2011

Rifle Marksmanship: M16-/M4-Series Weapons

(page F-1). Also, a portion of the appendix has been added to address marking 25-meter zero offsets for 200 meters (beginning with paragraph F-3 on page F-9). In Table F-1 (page F-7), the zero offset for the M16A4 MWS with the M68… Current 112 pages Marksmanship Weapons
FM 3-24 C2 ·Army ·2014

Insurgencies and Countering Insurgencies {mcwp 3-33.5}

The 2006 version of FM 3-24/ MCWP 3-33.5, Counterinsurgency, filled an important doctrinal gap at a time when U.S. forces were engaged in counterinsurgency operations. This version of FM 3-24/MCWP 3-33.5 builds on that important manual.… Current 202 pages Doctrine Philosophy
FM 3-27 ·Army ·2023

Army Global Missile Defense Operations

This version of FM 3-27 reaffirms global MD operations as paramount to the security of the U.S. and its allies. The term global MD, as used throughout this document, implies defense against ballistic missile only; though future revisions… Current 96 pages Fires
FM 3-39 ·Army ·2025

Military Police Operations

This version of FM 3-39 aligns with FM 3-0 and describes how military police units are manned, equipped, and trained to enable the Army's ability to conduct prompt and sustained land combat to defeat enemy ground forces and seize, occupy,… Current 208 pages Small Unit Tactics
FM 3-55 ·Army ·2013

Information Collection

The Army currently has no unified methodology or overall plan to define or establish how it performs or supports information collection activities at all echelons. This publication clarifies how the Army plans, prepares, and executes… Current 86 pages Recon Intel
FM 3-57 ·Army ·2021

Civil Affairs Operations

The Army executes operations across multiple domains and in complex environments. One of the most complex environments is the land domain—partially due to the societal systems (detailed in JP 3-57) woven into the operational environment.… Current 176 pages Other
FM 3-60 ·Army ·2023

Army Targeting

Field Manual (FM) 3-60, describes the tactics, techniques, and procedures associated with effectively applying a targeting methodology to integrate and synchronize capabilities to create desired effects on targets and enable positions of… Current 158 pages Fires
FM 3-61 C1 ·Army ·2022

Communication Strategy and Public Affairs Operations

Army public affairs doctrine is consistent and compatible with joint public affairs doctrine and policy as well as Department of Defense and Department of the Army public affairs policies. It describes the fundamental principles and… Current 176 pages Other
FM 3-83 ·Army ·2025

Religious Affairs

Army doctrine is fundamental principles, with supporting tactics, techniques, procedures, and terms and symbols, used for the conduct of operations and as a guide for actions of operating forces, and elements of the institutional force… Current 50 pages CBRN
FM 3-99 C1 ·Army ·2015

Airborne and Air Assault Operations

Assured access is the desired conditions that the United States seeks to maintain in potential areas of strategic importance throughout the world. Assured access is the result of a combination of geopolitical factors that affect the United… Current 232 pages Small Unit Tactics