The MORIARTI AR-380 10.5" Premium Upper Half offers a unique and compact solution for your next pistol caliber build in .380 Auto. This upper assembly is designed for smooth performance in a blowback configuration and is compatible with most standard 9MM AR-style lower receivers.
Featuring a medium-profile barrel, M-LOK handguard, and included ramped bolt carrier group and charging handle, this upper is ideal for shooters seeking a reliable and lightweight platform in .380 ACP.
Barrel Length: 10.5"
Barrel Profile: Medium
Twist Rate: 1:16
Material: 4150V Chrome Moly Vanadium
Muzzle Thread: 5/8x24, finished with a faux thread-on suppressor (shroud)
Gas System: Blowback
Upper Receiver: A3 slick side, 7075-T6 aluminum, hardcoat anodized to government specs
No dust cover or forward assist for reduced weight and simplicity
Handguard: 10" free-floating slim M-LOK rail, lightweight aircraft-grade aluminum, hardcoat anodized
Bolt Carrier Group: Ramped BCG included, optimized for blowback systems
Charging Handle: Included
Compatibility: Fits most AR-15 9MM Glock-style lower receivers
Non-LRBHO upper (Last Round Bolt Hold Open not included)
Customize your AR-380 build with additional components available separately
Images may vary slightly from actual product
Made in the USA by Moriarti Arms
Tags: ar-380, .380, auto, 10.5 10.5", premium, upper, m-lok, handguard, , bcg, charging, handle, , faux, can, –, non-lrbho, moriarti, arms