Outfitters Score™
Excellent
Sons Of Liberty Gun Works scores as a quality build with excellent value 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, they always tell their 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 M4-76. SOLGW builds their guns to run through years of hard use, and they 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 Blo Mfg: Sons Of Liberty Gun Works
Full Specifications
Overview
| Brand | Sons Of Liberty Gun Works |
| Model | M4-89-MATCH-6.5G-13.9 |
| SKU | 430102639 |
| Rifle Type | semi auto |
| Platform | AR15 |
| Caliber | 6.5 Grendel |
| UPC | 785939518887 |
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 | 26 rounds |
Finish
| Finish | black |
Compliance
| CA Compliant | No |
| Classification | Rifle |
| NFA Item | No |
6.5 Grendel Ballistics
2,480
Muzzle Velocity (fps)
1,679
Muzzle Energy (ft-lbs)
123 gr
Bullet Weight
16"
Test Barrel
100 yd drop
200 yd drop
300 yd drop
400 yd drop
500 yd drop
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
Manufacturer · Tier 2
See everything Sons of Liberty Gun Works→
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 Match 6.5 Grendel Rifle - M4-89 Match 6.5 Grendel 13.9" Bbl (2)26 Round Mag Black
M4-89-MATCH-6.5G-13.9
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