Do you want to know what caliber is an ar 15? The answer to this question is not easy, because there are many of them. For example, designed as an intermediate cartridge for the Soviet Army, the 7.62 x 39mm has proven itself in many wars and battles.
Its adaptation for AR is difficult due to the excessive taper of the case. There may be delays in firing due to incorrect feeding of the cartridge. Therefore, we advise you to read the ar 15 upper receiver assembly guide in more detail and only after that start creating your ideal arsenal. Due to its cheapness and prevalence, this caliber is well suited for recreational shooting. With heavy 150 grain bullets, it can be used for close to medium range hunting of small game. The AR-15 platform is so versatile that it is possible to carry firearms in many calibers on it. The main thing is to choose the right ar 15 upper assembly 20 inch barrel and other components.
Country of Manufacture: USA
Product Line: AR-15
Barrel Length: 7.5"
Twist Rate: 1:10
Gas System: .750 Low Profile steel gas block from aircraft quality aluminum and black hardcoat anodized
Material: 416R Stainless Steel nitride coated aircraft quality aluminum and black hardcoat anodized
Peculiarities: available in MLOK and/or quadrail option