M4 L89 Rifle – 14.5″ 5.56mm with P&W HUXWRX
The L89 Series of M4’s represents our uncompromising commitment to the professional end user. Built on our precision-forged upper and lower receivers, these rifles feature our purpose-built L89 Drivelock Handguard system with 7-sided MLOK slots and integral steel QD cups on both sides. We’ve equipped these with extended steel barrel nuts for a more rigid lockup, and Liberty Fighting Barrel that deliver accuracy when it matters most. The enhanced A5 Length Buffer System provides superior recoil management, while also including premium components such as renowned our Bolt Carrier Group, Liberty Charging Handle, L2S Trigger, and an ambidextrous selector. Comes standard with Magpul DT Stock and K2+ grip.
Specifications
- OD Green Cerakote
- SOLGW 14.5″ chrome lined LFB Barrel
- Midlength Gas System
- HUXWRX Muzzle Device pinned and welded to meet 16″ OAL
- SOLGW L89 13.75″ Rail
- SOLGW Forged Receiver Set
- Liberty 2 Stage Trigger
- SOLGW A5 Receiver Extension (9 Position)
- A5H2 Buffer
- Extra Power Rifle Spring
- SOLGW Liberty Charging Handle
- Milspec Ambi Safety
- Rifle ships with one, 30rd Gen3 PMAG (or compliant magazine for applicable locations)
- Individually built and test-fired
- Lifetime Warranty and Critical Use Replacement
UPPER RECEIVER SPECS
- Machined of 7075-T6 Aluminum Forgings and Hardcoat Anodized, Type III, Class 2
- M4 Feed Ramps
- Liberty Charging Handle (Ambidextrous)
- SOLGW Legendary Bolt Carrier Group
- Machined from Carpenter No. 158 Steel
- HPT/MPI (High Pressure Tested/Magnetic Particle Inspected)
- Shot Peened
- Tool Steel Extractor
- Chrome Lined Carrier
- Full-Auto profile
- Chrome Lined Gas Key w/ Staked Grade 8 Screws
- Individually Test-Fired on machine gun for function
- Drive-Lock Handguard for superior lockup, including anti-rotation tabs and stainless steel pin connecting upper and handguard.
- Includes integral QD swivels at 10 & 2 o’clock
- 7-sided MLOK
LOWER RECEIVER SPECS
- Machined of 7075-T6 Aluminum Forgings and Hardcoat Anodized, Type III, Class 2
- Stripes Rollmark
- Low shelf cut for all legal uses
- Integral QD mount end-plate, dual staked in place
- SOLGW Intermediate buffer system with A5H2 for enhanced reliability and shootabliity with suppressors. SOLGW Stainless Steel spring.
- SOLGW Liberty 2-Stage trigger (4.5 lb)
- SOLGW Mil-Spec Ambidextrous safety selector (Ambi)
- Magpul K2+ pistol grip
- Magpul DT Stock
BARREL SPECS
- Liberty Fighting Barrel with medium contour
- 1:7 twist
- 41v50 ChromMoly
- .223 Wylde Chamber, accepts .223 Rem and 5.56 NATO
- Chrome-Lined chamber and bore
- Phosphate coated exterior
- 1/2×28 muzzle thread pitch
- HUXWRX QD 556K/6K Flash Hider, pinned & welded to meet 16″ OAL
- .750″ gas journal with deep dimple
- Midlength gas length










