SOLGW Trunk Monkey M4 Patrol 5.56 NATO Pistol 11.5" Barrel - Black

SOLGW Trunk Monkey M4 Patrol 5.56 NATO Pistol 11.5" Barrel - Black

The Sons of Liberty Gun Works 11.5" Trunk Monkey is a no‑nonsense, hard‑use fighting rifle built for shooters who demand absolute reliability in the moments that matter most. Designed as a rugged home‑defense carbine, a dependable truck gun, or a duty‑ready patrol rifle, the Trunk Monkey embodies SOLGW’s core philosophy: quality Mil‑Spec or better, built right the first time, and ready for real‑world use.

At the heart of this rifle is the SOLGW 11.5" 4150 CrMoV barrel, HPT/MPI tested and finished in QPQ for extreme durability and long service life. Paired with the Liberty Fighting Trigger, A2 front sight gas block, Magpul furniture, and SB Tactical brace, this platform delivers proven performance with zero unnecessary frills. Every rifle is test‑fired twice to ensure flawless function, and backed by SOLGW’s legendary Lifetime Warranty—because these rifles are built to be used hard and trusted without hesitation.

11.5" 4150 CrMoV Barrel
QPQ‑finished, HPT/MPI tested, and built for long‑term accuracy and durability.

Liberty Fighting Trigger
Clean, consistent break designed for duty‑grade reliability.

A2‑Style Front Sight Gas Block
“F”‑marked, taper‑pinned, and built to withstand real‑world abuse.

SB Tactical Brace
Compact, stable, and ideal for maneuverability in tight environments.

Magpul Furniture Set
Includes handguard, pistol grip, and trigger guard for ergonomic, lightweight handling.

Mil‑Spec Buffer System
Features Sprinco Blue spring, H buffer, and properly staked castle nut for optimal cycling.

SOLGW HPT/MPI Bolt Carrier Group
Carpenter 158 bolt, properly staked gas key, and combat‑grade construction.

Fully Mil‑Spec Lower Receiver
7075‑T6 forged, Type III hard‑coat anodized, with Angry Patriot roll mark.

Test‑Fired Twice
Ensures reliable function before it ever leaves the shop.

Lifetime Warranty
Built to be used hard and backed for life.

Specifications

• Caliber: 5.56 NATO
• Barrel Length: 11.5"
• Barrel Material: 4150 CrMoV steel
• Barrel Finish: QPQ corrosion‑resistant
• Twist Rate: 1:7, six‑groove
• Thread Pitch: 1/2x28
• Gas Block: “F”‑marked front sight block, taper‑pinned
• Gas Tube: SOLGW mid‑length QPQ stainless steel
• Barrel Extension: QPQ‑coated M4 feed ramp extension
• Testing: HPT (proof‑tested), MPI inspected
• Upper Receiver: 7075‑T6 forged, Type III hard‑coat anodized, engraved T‑marks
• Lower Receiver: 7075‑T6 forged, Type III hard‑coat anodized, Angry Patriot roll mark
• Fire Control Group: Liberty Fighting Trigger
• Buffer System: Mil‑Spec, 7075‑T6 receiver extension, H buffer, Sprinco Blue spring
• Bolt Carrier Group: SOLGW HPT/MPI, Carpenter 158 bolt
• Charging Handle: SOLGW Mod4
• Handguard: Magpul SL carbine‑length
• Pistol Grip: B5 P23
• Brace: SB Tactical SBA4
• Muzzle Device: A2 flash hider
• Sights: Rear Midwest Combat Sight or MBUS; front F‑marked sight block
• Included Accessories:
  • 1 SOLGW steel 30‑round magazine
  • 2 oz bottle of S.P.E.C. 76 lube
  • SOLGW patch
  • Copy of the U.S. Constitution
  • Lifetime Warranty certificate