The RISE Armament 6mm ARC AR-15 Upper Receiver is built around an 18" 416R stainless steel threaded barrel. It is an AR-15 platform upper in 6mm ARC with a rifle-length gas system, 1:7 twist, and 1/2"x28 muzzle threads.
The free-floating skeletonized aluminum handguard is 15.25" long and includes a continuous 12 o'clock Picatinny rail, M-LOK slots, four threaded steel QD sling swivel inserts, a snag-free front, and a patent-pending attachment lock designed to help maintain zero. A RISE ambidextrous charging handle is included for left- or right-hand use, including with optics and gloves. The premium BCG uses a 9310 bolt, is individually MPI tested, has a staked gas key, and a black nitride finish. The receiver is forged billet aluminum. Backed by the RISE lifetime warranty and More-Bang-for-Your-Buck Guarantee.
The free-floating skeletonized aluminum handguard is 15.25" long and includes a continuous 12 o'clock Picatinny rail, M-LOK slots, four threaded steel QD sling swivel inserts, a snag-free front, and a patent-pending attachment lock designed to help maintain zero. A RISE ambidextrous charging handle is included for left- or right-hand use, including with optics and gloves. The premium BCG uses a 9310 bolt, is individually MPI tested, has a staked gas key, and a black nitride finish. The receiver is forged billet aluminum. Backed by the RISE lifetime warranty and More-Bang-for-Your-Buck Guarantee.
Features
- 6mm ARC AR-15 upper receiver
- Caliber: 6mm ARC
- Platform: AR-15
- 18" 416R stainless steel barrel, button-rifled, air-gauged and tested
- Barrel twist: 1:7
- Barrel threads: 1/2"x28
- Gas system: rifle-length
- 15.25" free-floating skeletonized aluminum handguard
- Continuous 12 o'clock Picatinny rail
- M-LOK slots
- Four threaded steel QD sling swivel inserts
- Snag-free front and patent-pending attachment lock
- RISE ambidextrous charging handle
- Premium BCG with 9310 MPI-tested bolt, staked gas key, and black nitride finish
- Forged billet aluminum receiver
- RISE lifetime warranty and Performance Guarantee
- Color options: Black (Type III hardcoat anodize) and Patriot Brown (Cerakote)
