Adaptive Combat Rifle

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Adaptive Combat Rifle
Impulse buy (12721727313).jpg
ACR (left) and SCAR-L (right)
TypeAssault rifle
Place of origin United States
Production history
DesignerMagpul Industries
ManufacturerRemington Arms, Bushmaster
Mass3.175 kg

Rate of fire650–700 rounds/min
Effective firing range300 m
Feed system30-round STANAG magazine

The Adaptive Combat Rifle (ACR) is a modular assault rifle, designed by Magpul Industries of Erie, Colorado, and known initially as the Masada. In late January 2008, Bushmaster made a licensing agreement with Magpul. In this agreement, Bushmaster would take over the production, development and sales of the ACR.[1]

Bushmaster Firearms, with the help from Remington Arms (a sister company) has made many design changes to the ACR. These were made to meet what the U.S. military requirements. The Remington ACR which is intended for the military market is capable of fully automatic fire. Bushmaster offers a semi-automatic only ACR for the civilian market. Bushmaster says that they will soon have conversion kits which can change the caliber of the rifle.[2]

History[change | change source]

The United States army was looking for a replacement to their M4 carbine. Remington Arms was part of the Army's Individual Carbine competition, and offered a modified ACR that fits the requirements.[3]

The Masada was developed over the course of five months. It was supposed to replace the M16 rifle completely. It was supposed to do this without any fundings from the government. Prototypes were shown at the 2007 SHOT Show in Orlando, Florida. It was supposed to be released some time in 2008. However, Bushmaster said on May 16, 2008 took over production and said that the ACR would not be released to the public until 2009. This was due to Bushmaster being focused more towards military projects.[4] On November 18, 2008, Bushmaster released a statement saying, "The ACR is being redesigned to become a superior offering to compete for the next generation U.S. Army infantry carbine and subcompact weapon requirement and will be available to selected customers in 2009."[5]

The ACR was one of the weapons shown to the U.S. Army during an Industry Day on November 13, 2008. This Industry Day happened so that modern carbines could be looked at before it was decided what the weapon that would replace the M4 Carbine had to be like.[6][7]

Sale and recall[change | change source]

On October 15, 2010, Bushmaster issued a recall of all ACR rifles, instructing users to "Please immediately discontinue the use of your ACR rifle" along with instructions to contact customer support for an RMA. Bushmaster stated that the recall was issued due to "a possible firearms performance issue that may develop with a small number of ACR rifles" and goes on to state that "Bushmaster discovered a design flaw which could result in multiple rounds firing continuously when the trigger is pulled". Bushmaster has stated that it will cover all of the costs associated with repairs to recalled rifles.[8]

Design[change | change source]

Bushmaster ACR equipped with a suppressor

The first design is many recent rifle designs combined. Its designers say that it takes the best parts of each and puts them into a light, modular rifle.[9] Some features from the Armalite AR-18, the FN SCAR, the Heckler & Koch G36/XM8, the M16/AR-15, and the M16 can be seen clearly. The cyclic rate of fire is around 650–700 rounds per minute. The ACR can easily swap caliber by changing the bolt head, magazine and barrel.

The ACR is available in multiple barrel lengths; 8.25″, 10.5″, 14.5″, 16.5″ and 18.5″ barrels. For the 5.56mm configuration, it uses a 30-round Magpul PMag, though it is also compatible with STANAG magazines. Magpul claims that PMags are much more difficult to break or damage than other magazines, and is also compatible to other rifle families like the M16 rifle family.[9] The ACR was engineered to still function reliably even if it was exposed to sand, dirt, mud and water.

Users[change | change source]

References[change | change source]

  1. Bushmaster press release: Bushmaster and Magpul Team to Bring Advanced Rifle to Market Archived 2010-01-30 at the Wayback Machine
  2. "Bushmaster Presents - ACR". Archived from the original on 2011-01-02. Retrieved 2011-09-10.
  3. "Archived copy". Archived from the original on 2012-07-20. Retrieved 2012-04-27.{{cite web}}: CS1 maint: archived copy as title (link)
  4. "Bushmaster ACR Update". Archived from the original on 2010-02-17. Retrieved 2010-03-08.
  5. Bushmaster Industry Forum November 18, 2008 "ACR UPDATE 11/18/2008"
  6. "Army considers options in replacing the M4 - Army News, news from Iraq". Army Times. Archived from the original on 2009-07-16. Retrieved 2010-03-08.
  7. "Military Photos: military images, military pictures, Army, Navy, Air Force, Marines". Military Times. 2007-02-16. Archived from the original on 2009-01-24. Retrieved 2010-03-08.
  8. "Bushmaster ACR Recall!".
  9. 9.0 9.1 "MagPul Masada Adaptive Combat Weapon System (ACWS) Makes Its Debut". Defense Review. Archived from the original on 2007-12-24. Retrieved 2010-03-08.
  10. "SPECIAL OPS SITREP: ACR w Afganistanie - blog SITREP". - Portal Ludzi Akcji.

Other websites[change | change source]