M4 Automatic Rifle - Magazine-fed carbine developed in the United States during the 1980s. It is a shortened version of the M16A2 assault rifle.
The M4 is widely used by the United States Army, with the decision to replace the M16 rifle in the United States Army (since 2010) and the United States Marine Corps (USMC) (as of 2016) as the primary infantry weapon.
M4 Automatic Rifle
The M4 has undergone more than 90 modifications to improve the ergonomics and modularity of the weapon, including: the M4A1, which strengthened the barrel and removed the burst fire option; SOPMOD, accessory kit with optical equipment; and the M203 subbarrel bridge launcher.
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In April 2022, the US Army selected the SIG MCX SPEAR as the winner of the next Army Weapons Program to replace the M16/M4. The gun is designated XM5.
However, these guns had design problems, as the barrel length was halved to 10 inches (25 cm), which interfered with the design, reduced range and accuracy, and caused excessive muzzle flash and explosion.
In 1982, the US government asked Colt to develop a carbine version of the M16A2. At the time, the Colt M16A2 was the Colt 645, also known as the M16A1E1. Later that year, the U.S. helped Armamt Munitions Chemical Command Colt to develop a new variant of the XM177E2, and the US Army redesignated the XM177E2 XM4 Carbine, calling it the successor to the M3 Carbine. The carbine used the same upper and lower receivers as the M16A1,
And fires the M855 cartridge as well as the old M193 cartridges. In 1983, the 9th Infantry Division requested a Quick Response Program (QRP) for a 5.56 mm carbine to replace the M1 Carbine and M3 submachine gun in service.
M4 Assault Rifle With Optic Scope And Drum Magazine Isolated On A White Background Stock Photo
The XM4 was tested by the Army Armamt Research and Developmt Cter (ARDC) in June 1983. Later, the gun was updated with improved furniture and a barrel with 1 shot in 7 inches (180 mm). The ARDC proposed more similar to the M16A2 rifle, with the barrels being 14.5 inches (370 mm).
In January 1984, the US Army modified the QRP, and a month later the Army officially approved the development of a new carbine.
Originally a joint program between the Army and the Navy, in 1986 the Army withdrew its funding. The XM4 was ready in 1987, and the Marine Corps adopted 892 for that fiscal year, with the designation "Carbine, 5.56mm, M4."
Based on experience from the 1991 Gulf War, the Army awarded Colt its first production contracts for M4 carbines in May and July 1993, and M4A1 carbines for SOCOM operators in February 1994.
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Interest in the M4 Carbine increased after the Battle of Mogadishu (1993), where Rangers complained that their M16 rifles were "stiff", while members of the Delta Force in the same battle, armed with the CAR-15, had no such complaints.
The M4 Carbine first saw action in the hands of US troops deployed to Kosovo in 1999 to support the NATO peacekeeping force KFOR.
It would later be used extensively by US forces during the Global War on Terror, including Operation Under Freedom and Operation Iraqi Freedom.
In the Army, the M4 had largely replaced the M16A2 as the primary weapon for forward-deployed personnel by 2005.
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Because they fire the best handgun bullets that provide the highest stopping power and can trample modern body armor.
A US Army 82nd Army soldier holds an M4 rifle in Vitina, Kosovo in January 2000 during the NATO-led KFOR mission, the first use of the M4 by US soldiers.
In 2007, the USMC ordered its officers (up to lieutenant colonel) and non-commissioned officers to carry the M4 carbine instead of the M9 pistol.
This is consistent with the Marine Corps doctrine, "Every Marine Rifleman." However, the Marine Corps chose the full-sized M16A4 over the M4 as the standard infantry rifle. US Marines E5 and below are also issued M4s instead of M9s.
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While the standard rifle in the Marine Corps was armed with the M16A4, M4s were deployed by soldiers in positions where the lgth rifle would be too large, including vehicle operators, fire teams, and platoon leaders. As of 2013, the U.S Marine Corps has 80,000 M4 carbines in its inventory.
In July 2015, the Marine Corps commanders made the switch to the M4 over the M16A4 as the standard infantry rifle, as did the Army. This is due to the carbine's light weight, compact length and the ability to handle modern combat situations that take place at close range; if the squad needs to measure at longer ranges, the M27 IAR can be used as the designated rifle. Approval of the change would push M16s to support personnel, when armories already had 17,000 M4s in inventories needed to equip every infantryman who needed one.
In October 2015, Commander Robert Neller officially approved making the M4 carbine the primary weapon for all infantry units, security forces, and support schools in the USMC. The changes were due to be completed in September 2016.
In December 2017, the Marine Corps revealed the decision to equip all Marines in the infantry division with the M27, replacing the M4 in that part of the service.
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MARSOC will retain the M4, as its shorter barrel is more suitable for its performance in difficult terrain.
This allowed companies other than Colt to compete with their own M4 designs. The Army planned to phase out its final M4 requirements in 2010.
In October 2009, Army weapons officials proposed a series of changes to the M4 to Congress. Requested changes included an electronic round counter that registers the number of rounds fired, a heavier barrel, and possibly replacing Stoner's expanding gas system with a gas pistol system.
However, these changes have been scrutinized from both the military and civilian communities.
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According to a PDF detailing the M4 Carbine upgrade plans provided by PEO Soldiers, the automatic action system would be replaced only after an inspection was conducted and a comparison of the automatic action system with commercial gas pistol operating systems was made to determine and use the best operating system available. in the US Improved military M4A1.
In September 2010, the Army announced that it would purchase 12,000 M4A1s from Colt Arms by 2010 and would order 25,000 more M4A1s in early 2011. The service branch planned to purchase 12,000 M4A1 replacements in early 2011, 5,000 more than the Army's purchase. conversion sets. From there, the Army had to decide whether to upgrade all of its M4s.
In April 2012, the US Army announced that it would begin purchasing more than 120,000 M4A1 cartridges to begin retrofitting front-line units from the original M4 to the new version of the M4A1. The first 24,000 were manufactured by the Remington Arms Company. Remington would manufacture M4A1s from mid-2013 to mid-2014.
Upon completion of the contract, it will be between Colt and Remington to produce more than 100,000 M4A1s for the US Army. Due to Colt's efforts to sue the Army to force them not to use Remington to produce the M4, the Army reworked the original call for the new M4A1 to avoid legal problems from Colt.
Two Walther/colt M4 Ops Semi Automatic Rifles With Boxes
Instead of re-awarding the contract to Remington, the Army awarded a contract for 120,000 M4A1 vehicles worth $77 million to FN Herstal on February 22, 2013.
The first attempt to find a replacement for the M4 came in 1986, with the Advanced Combat Rifle program, where the Heckler & Koch G11 without a case and several flechette rifles were tested, but this was quickly abandoned as these models were prototypes, showing the lack. reliable.
In the 1990s, the Target Combat Individual Weapon competition was launched to find a replacement for the M4. Two models were produced, both by Heckler & Koch: the XM29 OICW, which included a smart launcher, but was discontinued in 2004 because it was too heavy, and the XM8, which was discontinued in 2005 because it did not offer significant improvements over the M4.
The Heckler & Koch HK416 was introduced in 2005, using the same lower receiver as the M4A1, but replacing its direct-action system with a gas-operated rotary bolt, more comparable to that of the G36.
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That same year, the Rangers and Navy SEALs adopted the FN SCAR, but later withdrew their purchase, as it was not a significant improvement over the M4A1.
Following the failure of the individual Carbine program, the Next Generation Squad Weapon (NGSW) was introduced in 2017. The program aimed to replace the M4 Carbine and M249 SAW with weapons that could compensate for their perceived shortcomings during ranged combat. long, as well. as addressing concerns about the effectiveness of traditional 5.56x45mm ammunition against soldiers wearing body armor in future peer or near-peer conflict. To achieve these goals, all ammunition submissions would be chambered in the new 6.8x51mm standard.
SIG Sauer, Textron Systems, FN Herstal, True Velocity (formerly Lonestar Future Weapons and Geral Dynamics) and PCP Tactical participated in the.
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