AR-15 4.5" Micro ARP Suppressor Ready Pistol Upper Assembly – Multiple Calibers & Colors
| Brand: | Moriarti Armaments |
| Product Code: | MAR-4-SUPPR-CAL |
| Availability: | In Stock |
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$229.95
- $429.95
Micro ARP Uppers
AR-15 4.5" Micro ARP Suppressor Ready Pistol Upper Assembly – Multiple Calibers & Colors
The Moriarti 4.5" Micro ARP Suppressor Ready Pistol Upper Assembly is a compact AR-platform upper offered in 5.56 NATO, .300 AAC Blackout, 7.62×39, and .338 ARC.
Each configuration features a 4.5" 4150 CrMoV steel barrel with a black nitride finish, a forged 7075-T6 aluminum upper receiver, a micro-length gas system, and a 4.25" free-floating M-LOK handguard with an integral hand stop.
The assembly includes an A2-style muzzle device and is offered in multiple exterior finishes. The selected color applies to both the upper receiver and handguard.
Key Features
4.5" barrel across all caliber configurations
Caliber choices: 5.56 NATO, .300 AAC Blackout, 7.62×39, and .338 ARC
4150 CrMoV steel barrel with black nitride finish
Forged 7075-T6 flat-top upper receiver
Forward assist and dust cover
M4 feed ramps, as stated in the existing description
Micro-length gas system
Low-profile .750" steel gas block
4.25" free-floating M-LOK handguard with integral hand stop
A2-style muzzle device included
Bolt carrier group and charging handle sold separately
Specifications
Attribute | Value | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Manufacturer | Moriarti Armaments | |||||||||||||||
Product family | Micro ARP | |||||||||||||||
Configuration | Suppressor Ready Pistol Upper Assembly | |||||||||||||||
Platform | AR-15 | |||||||||||||||
Barrel length | 4.5" | |||||||||||||||
Barrel material | 4150 CrMoV steel | |||||||||||||||
Barrel finish | Black nitride | |||||||||||||||
Calibers | 5.56 NATO / .300 BLK / 7.62×39 / .338 ARC | |||||||||||||||
Gas system | Micro length | |||||||||||||||
Gas block | .750" low-profile steel | |||||||||||||||
Upper receiver | Forged 7075-T6 aluminum | |||||||||||||||
Receiver features | Flat top, forward assist, dust cover | |||||||||||||||
Handguard | 4.25" free-floating M-LOK with integral hand stop | |||||||||||||||
Muzzle device | A2-style | |||||||||||||||
BCG | Not included | |||||||||||||||
Charging handle | Not included | |||||||||||||||
Caliber-specific details
|
Available Finishes
Black Hardcoat Anodized, FDE, Burnt Bronze, OD Green, Tungsten Gray, and Blue Cerakote.
Package Includes
One assembled 4.5" upper receiver assembly in the selected caliber and finish
Installed 4.25" M-LOK handguard
Installed A2-style muzzle device
Not included: Bolt carrier group, charging handle, suppressor, lower receiver, or magazine.
FAQ
Does this upper include a bolt carrier group and charging handle?
No. Both components are sold separately.
Is a suppressor included?
No. The assembly is designated as part of the Suppressor Ready Series, but a suppressor is not included. Suppressor and mounting-system compatibility must be verified separately.
Product Image Notice
Images may not be the exact representation of the product.
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