AR-10MM 8.5″ Side Charging Complete Upper Receiver / OD Green / LRBHO – Moriarti Arms

Uppers

AR-10MM 8.5″ Side Charging Complete Upper Receiver / OD Green / LRBHO – Moriarti Arms

Compact, aggressive, and ready to perform—the AR-10MM 8.5″ Side Charging Complete Upper in OD Green from Moriarti Arms is built for superior function and style in your next pistol-caliber AR build. Featuring a non-reciprocating side charging handle, this upper gives you better ergonomics and an efficient charging solution.

Finished in durable OD Green Cerakote, this upper also includes a Last Round Bolt Hold Open (LRBHO) feature, letting you know when your magazine runs dry—ideal for tactical or range use. It comes fully assembled with a match-grade 8.5" 10mm barrel, shrouded muzzle, 7" M-LOK handguard, and a ramped 40 S&W BCG. Upper is is Glock compatible.

Key Features:

• Barrel: 8.5" 10MM match-grade, 4150 CrMo steel, black nitride finish, 1:16 twist, 5/8x24 threads, finished with barrel shroud

• Upper Receiver: Non-reciprocating side charging billet receiver, OD Green Cerakote, LRBHO-equipped

• Handguard: 7" lightweight slim free-floating M-LOK, OD Green Cerakote, aircraft-grade aluminum

• Gas System: Blowback

• Bolt Carrier Group (BCG): Ramped 8620 steel, phosphate coated, Glock/Colt compatible, M16-cut

• Charging System: Side charging with adjustable tension slide lock

• Compatibility: Works with most 45-acp lower receivers, non-lrbho

• Weight: Approx. 4.0 lbs

• Country of Origin: USA

• ETA: Ships in approximately 8-10 weeks

Looking for a longer barrel in a slick side setup? Explore the Moriarti AR-10MM 16" Slick Side M-LOK Complete Upper Receiver w/ LRBHO.

Images may not be an exact representation of the product.