WORKHORSE 18 – 10.5" AR15/M4 Pistol | Compact Performance, Built to Last

The WORKHORSE® 18 10.5" AR15/M4 Pistol is designed for shooters who demand reliability, durability, and compact performance in one rugged platform. Engineered with mission-ready components and premium materials, the WORKHORSE® 18 excels in close-quarters scenarios, vehicle deployment, and tactical environments.

This 10.5-inch pistol configuration is built around a high-quality barrel and M4-style receiver set, offering tight tolerances and smooth cycling. The WORKHORSE® 18 delivers impressive accuracy and maneuverability, making it ideal for both professional use and civilian self-defense - Whether you're outfitting for duty, training, or personal defense, this AR pistol is ready for anything you throw at it.

Key Features:

• 10.5" barrel optimized for compact performance and CQB
• MIL-SPEC forged upper and lower receiver
• M-LOK free-float handguard for accessories and heat dissipation
• Carbine-length gas system for reliable cycling
• SB Tactical brace or buffer tube (depending on configuration)
• Flash hider or muzzle device (configurable)
• Forward assist and dust cover included
• Compatible with standard AR-15 parts and accessories

Applications:

• Close-quarters combat (CQB)
• Vehicle and home defense
• Tactical training and duty use
• Compact range and field gun
• Law enforcement and professional security

Reasons to Buy:

• Ultra-compact and maneuverable for tight spaces and fast transitions
• Reliable performance with quality materials and tight build specs
• Mission-ready configuration built for high-demand shooters
• Customizable platform for optics, lights, slings, and other attachments
• Made for abuse—true to its name, the WORKHORSE® is built to take a beating

Customer Reviews:

• ⭐⭐⭐⭐⭐ “The name says it all—this thing is a workhorse. Runs flawless and feels solid in the hands.” — Travis W.
• ⭐⭐⭐⭐⭐ “Perfect setup for home defense. Compact, smooth cycling, and easy to control.” — Jordan M.
• ⭐⭐⭐⭐⭐ “High-quality build, great finish, and dead-on accuracy. One of the best AR pistols I’ve owned.” — Derek H

1. We are currently experiencing higher than normal demand for firearms. We are fulfilling orders as quickly as possible, however you will likely experience longer than usual delivery times. Thank you for your understanding.

2. Firearm specifications are subject to change at any time.

3. This firearm will NOT be built until RAVEN ROCK ARMORY has the order and a copy of the customer's FFL where the firearm will ship to. The order will sit pending until the FFL is received. Please email to sales@rra2a.com