Sons of Liberty Gun Works M4-EXO3 AR-15 rifle chambered in 5.56 NATO with 16-inch barrel, M-LOK handguard, B5 furniture, and black anodized finish, in store image

Sons of Liberty Gun Works M4-EXO3 5.56 NATO AR-15 Rifle 16" Barrel M-LOK Black

Sons of Liberty Gun Works
SKU:
101-32544
$1,599.99
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Description

Sons of Liberty Gun Works M4-EXO3 5.56 NATO AR-15 Rifle

The Sons of Liberty Gun Works M4-EXO3 is a purpose-built, duty-grade AR-15 rifle designed for reliability under the harshest conditions. Built using high-quality MIL-SPEC components, this platform reflects SOLGW’s commitment to combat-ready performance and long-term durability.

Chambered in 5.56 NATO, the M4-EXO3 features a 16-inch 4150 CrMoV barrel with a QPQ corrosion-resistant finish and a 1:7 twist rate for optimal projectile stabilization. The mid-length gas system paired with a tuned gas port and A5 buffer system delivers a smooth recoil impulse and enhanced reliability.

The rifle is equipped with the EXO3 free-float M-LOK handguard, providing a rigid and modular mounting platform for accessories while maintaining heat resistance and structural integrity. A Liberty Fighting Trigger, ambidextrous charging handle, and B5 furniture complete a fully optimized duty setup.

Key Features

  • 16" 4150 CrMoV QPQ-finished barrel
  • 5.56 NATO chambering
  • Mid-length gas system for smooth cycling
  • A5 buffer system with A5H2 buffer
  • EXO3 free-float M-LOK handguard with QD mounts
  • Liberty Fighting Trigger (5.5–6 lb pull)
  • Ambidextrous charging handle
  • B5 Bravo stock and B5 P23 grip
  • Mil-SPEC forged 7075-T6 receivers
  • Quick detach end plate with staked castle nut
  • Lifetime warranty from Sons of Liberty Gun Works
  • Includes 30-round magazine, patch, sticker, and rifle bag

Specifications

Brand Sons of Liberty Gun Works
Model M4-EXO3
Action Semi-Automatic
Caliber 5.56 NATO
Barrel Length 16"
Barrel Material 4150 CrMoV Steel, QPQ Finish
Twist Rate 1:7
Gas System Mid-Length
Receiver Material Forged 7075-T6 Aluminum
Finish Black Anodized
Handguard EXO3 Free-Float M-LOK
Buffer System A5 with A5H2 Buffer
Trigger Liberty Fighting Trigger (5.5–6 lb)
Grip B5 P23
Stock B5 Bravo
Charging Handle Liberty Ambidextrous
Muzzle Device A2 Flash Hider (varies by configuration)
Sights Not Included
Capacity 30 Rounds
Included Accessories Rifle Bag, 1 Magazine, Patch, Sticker
Warranty Lifetime Warranty
Weight 8.5 lbs