Description
Elite Close-Quarters Battle (CQB) Performance with Full Ambidextrous Control The MK18 is globally recognized as the benchmark for short-barrel performance in close-quarters battle (CQB) operations. The MK18 RIII elevates this combat pedigree by integrating a fully ambidextrous lower receiver, empowering right- and left-handed operators to execute critical weapon manipulations—including bolt catch operation, safety selection, and magazine drops—without shifting their hand position from the grip. Finished in a durable Flat Dark Earth (FDE) hard coat anodizing, the platform offers advanced visual disruption and optimized ergonomics.
RIS III M-LOK Rail & 10.3″ Cold Hammer Forged Barrel
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9.5″ RIS III M-LOK Handguard (FDE): Replacing the legacy Picatinny quad rail with a lightweight 9.5-inch M-LOK handguard significantly reduces overall front-end weight while maintaining robust 6-bolt bolt-up structural integrity and abundant modular attachment points for tactical lights and lasers.
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10.3″ Cold Hammer Forged Barrel: Built around a Government profile Chrome Moly Vanadium steel barrel with a 1:7 twist, chrome lining, and heavy phosphate coating. Individually HP/MPI tested to ensure maximum durability and terminal ballistics in high-stress operational environments.
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Carbine-Length Gas System & Enhanced Controls: Paired with an H buffer and a carbine-length direct impingement gas system for reliable cycling, complemented by the independently ambidextrous GRIP-N-RIP charging handle.
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Institutional Configuration Note: Shipped in an unmagged configuration to support agency fleets utilizing established standardized magazine pools.
Important Procurement Note (NFA Regulation & Age Requirements) The Daniel Defense MK18 RIII is classified as a Short-Barreled Rifle (SBR) and is strictly regulated under the National Firearms Act (NFA). Under U.S. law, purchasers must be 21 years of age or older, and transfers require federal NFA paperwork, approval processes, and Class 3 dealer facilitation. PAI Defense assists agency compliance officers in streamlining this process from quote to final transfer.
PAI Defense: Your Fully Licensed Procurement Partner Navigating government acquisitions for NFA-regulated weapon systems requires a strategic, compliant B2B approach. PAI Defense provides the audited technical specifications and streamlined RFP processes necessary to support procurement officers. By utilizing our Type 10 FFL and SOT licensing, your agency gains direct, lawful access to elite short-barreled systems designed to keep your operators safe and operational divisions at peak efficiency.





