M4-89 5.56x45 Nato Assembled Upper Receiver - M4-89 5.56x45 Nato 12.5'''' Bbl 11.5'''' M89 Rail W/A2 Flash Hider

Sons of Liberty Gun Works M4-89 5.56x45 Nato Assembled Upper Receiver - M4-89 5.56x45 Nato 12.5'''' Bbl 11.5'''' M89 Rail W/A2 Flash Hider - view 1
Buy Now

Sons of Liberty Gun Works

Overview

The M4-89 assembled upper receiver from Sons of Liberty Gun Works is designed for the AR-15 platform and features a 12.5-inch barrel chambered in 5.56 NATO. This complete upper assembly simplifies the build process, allowing builders to easily attach it to their lower receiver for a compact yet versatile firearm. This upper receiver is commonly used in builds aimed at close-quarters engagements, where maneuverability and rapid handling are essential.

Specifications

MPNM489UPPER-12.5-556
PlatformAR-15
AssemblyComplete
Caliber5.56 NATO
Barrel Length12.5
Receiver TypeA2

Available Merchants(1)

Stock Alert

Log in to get notified when this product is back in stock.

BattleHawk Armory logo
BattleHawk Armory
Shipping calculated at checkout
Shipping Speed
Out of Stock
$855

Frequently Built With

Based on build data

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

100%
AR-15100%

Caliber

100%
5.56 NATO100%

Gas System

50.2%
Mid-Length50.2%
Carbine24.5%
Rifle12.6%
Pistol11.2%
Blowback1.2%
Other0.3%
Frequently Built With Products
ProductCategoryTimes Built Together
BLEM PSA AR15 Complete Classic Stealth Lower, BlackLower Receiver360
Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod CCharging Handle259
Aero Precision M4e1 Complete Lower Receiver W/moe Sl Grip & Sl-S Carbine StockLower Receiver230
Magpul AFG-2 Angled Fore Grip - BlackForegrip166
Radian Raptor Charging Handle & Talon Safety Selector Combo - Od GreenCharging Handle160
Aero Precision Stripped M4e1 Ar-15 Lower Receiver - Special Edition - FreedomLower Receiver142
Build Platform Breakdown
PlatformPercentage
AR-15100%
Build Caliber Breakdown
CaliberPercentage
5.56 NATO100%
Build Gas System Breakdown
Gas SystemPercentage
Mid-Length50.2%
Carbine24.5%
Rifle12.6%
Pistol11.2%
Blowback1.2%
Intermediate0.2%
Proprietary0.1%

Review this product

Share your thoughts with other customers

Be the first to review

No reviews yet. Be the first to review this product!