Outfitters Score™
Excellent
Sons Of Liberty Gun Works scores as a quality build with average pricing and most components included.
Our proprietary rating combines brand tier, price percentile within the caliber, feature completeness, barrel versatility, retailer availability, caliber practicality, and use-case fit.
Description
The M4-89 is one of the premier fighting rifles we offer. It houses a combat grade barrel, A5 buffer system, Liberty Fighting Trigger, and B5 furniture. At Sons of Liberty Gun Works, we always tell our customers that it's not what a rifle company tells you, it's what they don't tell you. Below you will find the complete specifications of the M4-89. We have built our guns to run through years of hard use, and we have nothing to hide. Barrel: Sons of Liberty Gun Works 4150CoMOV 1:7 MPI HPT Barrel Barrel Steel: 4150 CrMoV (Chrome Moly Vanadium per MIL-B-11595E) Twist Rate: 1/7 Twist Six Groove Thread Pitch: 1/2-28 Threaded Muzzle Gas Block: .75 Mfg: Sons Of Liberty Gun Works
Full Specifications
Overview
| Brand | Sons Of Liberty Gun Works |
| Model | M4-89-16 |
| SKU | 430102636 |
| Rifle Type | semi auto |
| Platform | AR15 |
| Caliber | 5.56 NATO |
| UPC | 785939518856 |
Barrel
| Barrel Material | 4150 CMV |
| Twist Rate | 1:7 |
| Thread Pitch | 1/2x28 |
Receiver
| Forward Assist | No |
| Dust Cover | No |
Handguard
| Free Float | No |
Muzzle
| Suppressor Ready | No |
Sights & Optics
| Optic Ready | No |
Dimensions & Weight
| Magazine Capacity | 30 rounds |
Finish
| Finish | black |
Compliance
| CA Compliant | No |
| Classification | Rifle |
| NFA Item | No |
What's Included (Complete Rifle)
This is a complete, ready-to-shoot firearm.
Upper Receiver
Lower Receiver
Barrel
Bolt Carrier Group
Handguard
Stock
Grip
Trigger
Muzzle Device
Charging Handle
Gas Block
Gas Tube
Buffer Tube
Backup Iron Sights
Optic
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Manufacturer · Tier 2
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Build Guide
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State Check
This rifle has NFA or magazine considerations →
SOLGW builds duty-grade rifles with heavy QC process and documented torque specs. Popular with the training community.
View brand profile →M4-89 5.56x45mm Nato Rifle - M4-89 5.56x45 Nato 16" Bbl (3)30 Round Mag Black
M4-89-16
Across 1 retailer
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