Pay attention to the quality accessories for AR 15 barrel - it has excellent characteristics and is perfect for competitions. This model shares features with the 6.5 Grendel 18" nitride upper assembly.
The 6.5 Grendel 18" nitride upper assembly fits all variants in the standard assembly from the AP-15 range. Thanks to a particular Muzzle Device - Strikes Industries Cookie Cutter compensator - the recoil from short-barreled rifles and pistols is practically not felt by players. The handguard in this model is a bar that moves freely; the material is aviation aluminum with a hard black anodized finish. As for the gas system, this option uses a 0.750 micro-length gas system. The barrel is made of steel with nitride coating 4150V and heat treated. For fabrication of the AR 15 20 upper assembly used is made of certified 7075-T6 aluminum forgings with a hard black coating. They meet state standards. The AR 15 tool kit includes a front assistant and a dust cover.