Adaptive Combat Rifle
| Adaptive Combat Rifle (ACR) | |
|---|---|
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An ACR (left) and a SCAR (right)
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| Type | Carbine |
| Place of origin | United States |
| Service history | |
| Used by | See Users |
| Wars | War in Afghanistan |
| Production history | |
| Designer | Magpul Industries |
| Designed | 2006 |
| Manufacturer |
Remington Arms (Military) Bushmaster (Civilian) |
| Produced | 2010–present |
| Variants |
Military Variants
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| Specifications | |
| Weight | 7.9–9.8 lb (3.6–4.4 kg) |
| Length | 25.8 inch (655.32 mm): Stock Folded 32.6 inch (828.04 mm): Stock Deployed 35.5 inch (901.7 mm): Stock Extended |
| Barrel length |
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| Cartridge | |
| Action | Gas-piston, rotating bolt |
| Rate of fire | 650-700 RPM |
| Muzzle velocity | 2,600–3,250 ft/s (790–990 m/s) |
| Effective firing range | 500 m for point targets 600 m for area target |
| Feed system | 30-round Magpul PMAG |
| Sights | Magpul MBUS and Integrated Picatinny Rail Provided For Optics |
Military Variants
The Adaptive Combat Rifle (ACR) is an assault rifle designed by Magpul Industries of Austin, Texas, originally called the Masada. In late January 2008, Bushmaster entered into a licensing agreement with Magpul whereby Bushmaster would take over production, future development, and sales of the Masada.Remington Arms is currently contracted to manufacture the rifle for the US military and US law enforcement agencies.
The ACR was one of the weapons displayed to U.S. Army officials during an invitation-only Industry Day on November 13, 2008. The goal of the Industry Day was to review current carbine technology prior to writing formal requirements for a future replacement for the M4 Carbine. The ACR was also part of the Individual Carbine competition to replace the M4.
The original Magpul Masada's design represented a combination of several recent rifle designs, incorporating what was considered by its designers to be the best features of each in a single, lightweight, modular rifle. Design features from the Armalite AR-18 (short-stroke gas system), the FN SCAR (upper receiver, charging handle location), the Heckler & Koch G36 and XM8 (liberal use of polymer components), and the M16/AR-15 (trigger pack, barrel, fire control group) were present. The rifle also included several features developed by Magpul, such as a quick-change barrel/trunnion system, adjustable gas regulator, non-reciprocating charging handle, and storage compartments located in the stock and grip. Just prior to the deal with Bushmaster, Magpul made additional changes to their design, the most obvious of these was the relocation of the ambidextrous operating handle to a forward position (somewhat similar to the Heckler & Koch G3 and Heckler & Koch MP5 series of weapons). The weapon's caliber could easily be changed by replacing the bolt head, magazine, and barrel.
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