A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Types of ar

223 Remington / 556x45mm
223 Remington / 556x45mm

Check out this discussion of the 5.56x45mm NATO vs .223 Remington and their similarities and differences. Even though many people treat the .223 Remington and 5.56x45mm NATO cartridges as interchangeable rounds, this can be a dangerous practice under the wrong circumstances.

300 AAC Blackout / 300 Whisper
300 AAC Blackout / 300 Whisper

The .300 AAC Blackout (designated as the 300 BLK by the SAAMI and 300 AAC Blackout by the C.I.P.), also known as 7.62×35mm is a carbine cartridge developed in the United States by Advanced Armament Corporation (AAC) for use in the M4 carbine.

458 SOCOM
458 SOCOM

The 458 SOCOM cartridge offers the practical ballistics of the legendary .45-70 in a modern AR platform rifle and is capable of firing 250 to 600 grain .458 caliber bullets in a lightweight, controllable package.

57x28mm
57x28mm

Subsequently, it has been used in a number of other weapons, such as the FN PS90 carbine and the AR-57, ... 5.7x28mm Versus Body Armor – TheFirearmBlog; Video

image: armslist.com
62x39mm
62x39mm

And the 7.62×39 mm offers intermediate .30-cal. power out of the basic AR platform, on the cheap. Bill Ruger recognized the cartridge’s potential when he introduced his Mini-30 carbine back in 1987.

image: armslist.com
Grendel
Grendel

6.5 Grendel. With the addition of the 6.5 Grendel to the product line-up at Alexander Arms® in 2004, the history of no compromise design, engineering, and innovation continues. The 6.5 Grendel provides an extreme range capability for hunting, competition and tactical applications.

image: armslist.com
Remington SPC
Remington SPC

The 6.8 mm Remington Special Purpose Cartridge (6.8 SPC, 6.8 SPC II or 6.8×43mm) is a rimless bottlenecked intermediate rifle cartridge that was developed by Remington Arms in collaboration with members of the U.S. Army Marksmanship Unit, United States Special Operations Command to possibly replace the 5.56 NATO cartridge in a Short Barreled Rifle(SBR)/Carbine.

THE SERIES
THE SERIES

AR-15 Series. AR-15 Military Classics. Accessories. Ammo. Gun Parts. Magazines. Colt Lights. Colt Apparel & Accessories. Optics. Night Sights. Holsters. Slings. Case ...

source: colt.com