What is a 6mm ARC Upper Receiver?

The 6mm ARC Upper Receivers fires the 6mm Advanced Rifle Cartridge from an AR15 rifle. The extraordinary ballistic performance of 6mm ARC have made it one of the most popular upgrades the AR15 platform has seen in years.

Why Does the 6mm ARC Upper Receiver excel as a hunting rifle?

Whilst the upper receiver isn’t the only part of the rifle that makes it a proficient hunting weapon, the 6mm ARC uses lighter ammunition, with reduced deviation from the target (a flatter flight path), and less than 9 foot-pounds of recoil, it’s one of the lightest options available for varmint or small-game hunters.

What is the twist rate of a 6mm ARC Upper Receiver?

The twist rate required by the 6mm ARC upper receiver is 1:7.5. Meaning that the bullets used in the upper receiver will complete one revolution every 7.5 inches. Additionally, the bullet drop of a 6mm ARC upper receiver is around 22.2 inches at 400 yards.

What is the effective range of a 6mm ARC Upper Receiver?

6mm ARC has an effective range of well over 1000 yards.

What is the ideal barrel length for a 6mm ARC Upper Receiver?

The 6mm ARC upper receiver is designed to accommodate barrel lengths of between 16 and 24 inches. This wide-length variety gives you the option to choose the right length of barrel that suits your shooting style and what you’ll be using the weapon system for.

What BCG do I use with a 6mm ARC Upper?

6mm ARC Uppers require a 6.5 Grendel Type 2 Bolt Carrier Group (BCG).

What Magazine do I use with a 6mm ARC Upper?

6mm ARC Uppers require a 6mm ARC Magazine.