The Marine Corps uses a variety of direct-fire rockets and missiles to provide infantry with an offensive and defensive anti-armor capability. The SMAW and AT4 are unguided rockets that can destroy armor and fixed defenses (e.g. bunkers) at ranges up to 500 meters. The FGM-148 Javelin and BGM-71 TOW are anti-tank guided missiles; both can utilize top-attack profiles to avoid heavy frontal armor and are heavy missiles effective past 2,000 meters that give infantry an offensive capability against armor.
Glock M007 - Adopted in February 2015 for use by MARSOC
M45A1 - Modified M1911A1, for use by MEU(SOC) and MARSOC. Still in use by Recon Battalions, Security, and Emergency Services Battalions.
M18 - Standard issue pistol since 2020 (replacing M9, M9A1, M45A1 and M007)
Assault rifles, Battle rifles
A U.S. Marine armed with an M16A4 rifle and ITL MARS sight in 2004.
A U.S. Marine armed with an M27 IAR affixed with ACOG Squad Day Optic.
M16A2, M16A4 - Select fire. Safe, semi, burst. Originally the basic infantry weapon, mostly being replaced by M27 in infantry battalions.
M4/M4A1 - Mostly being replaced by M27 in infantry battalions. Commonly issued for non-infantry marines as of 2010.
M27 Infantry Automatic Rifle - Support weapon based on the Heckler & Koch HK416 (itself a piston-driven M16) using a free-floating barrel. Initially issued as a replacement for the M249, in 2018 the decision was made to adopt the M27 as the standard USMC assault rifle in infantry battalions.
Marines with MARSOC, Force Reconnaissance, and MEU(SOC)s occasionally use specialized weapons that the rest of the fleet does not. In addition, some weapons are tested and evaluated in select units before acceptance and large-scale adoption. In a few cases, older weapons are brought out of retirement for limited use.