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
6 publications for “FM 3-21.8”
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
ATP 3-24.2 ·Army ·2025

Techniques in Counterinsurgency

Counterinsurgency (COIN) is a complex subset of warfare that encompasses all military, paramilitary, political, economic, psychological, and civic actions taken by a government to defeat an insurgency at the company, battalion, and brigade… Current 448 pages Doctrine Philosophy
FM 3-24.2 ·Army ·2009

Tactics in Counterinsurgency

This manual gives the US Army a common language, concept, and purpose to fight and achieve success in a counterinsurgency. COIN is a complex subset of warfare that encompasses all military, paramilitary, political, economic, psychological,… Archive 300 pages Doctrine Philosophy
ATP 3-07.5 ·Army ·2012

Stability Techniques

31 August 2012 ATP 3-07.5 (INCL C1) 1-1 Chapter 1 Stability Framework This chapter examines the various contexts in which Army units conduct stability efforts. It first discusses stabilization. This discussion covers the range of military… Current 172 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
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