Outfitters Score™
Excellent
Sons Of Liberty Gun Works scores as a quality build with fair 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 |
| SKU | 430102640 |
| Rifle Type | semi auto |
| Platform | AR15 |
| Caliber | 6.5 Grendel |
| UPC | 785939518894 |
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
See our Long Range Precision→
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 18" Bbl (2)26 Round Mag Black
M4-89-MATCH-6.5G
Across 1 retailer
Compare Prices
Build It Yourself
Want to customize? Build similar specs from individual parts.
State Legal Check
Prices are fetched from affiliate partners. AR15 Outfitters may earn a commission on purchases made through links on this site. This does not affect pricing or our recommendations.