REVIEW: Bushmaster ACR Bolt Action .177 Air Rifle

The Bushmaster ACR (Adaptive Combat Rifle) is a bolt action variable pump .177 tactical air rifle and features a new valve technology that combines lower pumping force with higher velocities. This dual-ammo compatible air rifle accommodates both BBs and pellets and includes a full tactical rail on top with adjustable sights and a side rail for accessories such as a flashlight or a laser. The Bushmaster ACR tactical air rifle is fed by a five-shot Firepower pellet clip or an internal 200-rd BB magazine conveniently located on the side.

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Amazon.com Product and Customer Reviews
Most helpful customer reviews
273 of 279 people found the following review helpful.
Great gun!!
By Leafhopper
Pump is smooth and crisp and no recoil. Shoots pellets and steel bbs only.
History behind the firearm that inspired the Bushmaster ACR Air Rifle
The ACR (Adaptive Combat Rifle) is a modular assault rifle designed by Magpul Industries of Austin, Texas and was known as the Masada. In late January 2008, Bushmaster Firearms International entered into a licensing agreement with Magpul whereby Bushmaster would take over production, future development, and sales of the Masada. It was then known as the Bushmaster ACR. However, Remington Arms was contracted to manufacture the rifle for the US military and US law enforcement agencies. Remington Arms is responsible for the selective fire version of the ACR, while Bushmaster Firearms International is responsible for the semi-automatic only version.
Design and Development
The Bushmaster ACR is gas operated, semi-automatic rifle of modular design. It utilizes an aluminum alloy upper receiver, with polymer pistol grip, trigger, and magazine housing (lower receiver) unit which is attached to the upper receiver using cross-pins. It is available for the civilian market in 5.56×45mm NATO, 6.8mm Remington SPC and other aftermarket caliber conversions are also available.
The trigger/manual safety unit is made as a single removable item, and mostly utilizes AR-15 compatible parts. The rifle features a quick-detachable barrel, with its own short-stroke gas piston attached. To remove the barrel (for change, inspection, or maintenance), the operator has to remove the polymer handguards, then swing down the wire lever which is located below the barrel, and then turning the barrel to unlock and pull it forward and out of the receiver. All barrels are free-floated within the handguard to achieve consistent accuracy. The barrel is like an AR-15 barrel with a resized gas port and a thin profile for the piston support. The bolt group also is made as a single unit, with captive return spring and rotary multi-lug bolt which locks directly to the barrel breech.

The standard magazine housing, which is suited to accept AR-15 type magazines, has ambidextrous magazine release buttons. The ambidextrous bolt stop release button is located at the front of the trigger guard. Safety lever is also ambidextrous, and charging handle can be installed on either side of the rifle. It can be equipped with various Magpul-made buttstocks, fixed or side-folding, and adjustable for length of pull (some also with adjustable cheek rest). It can be fitted with removable iron sights and/or with any optical- or night vision- sights, all depending on the user's preference or with the configuration of the rifle. It also has an integral Picatinny rail on the top of the receiver and additional accessory rails can be installed on the forend according to user preferences. The Bushmaster's handguard model is polymer with heat guards and attachable aluminum tri-rail, while the Remington's model has a five-sided aluminum handguard that can be user configured with MIL-STD-1913 rail elements.

