Modern Carbine MC6-SD Side Folding Pistol .300 Black Out (Shadow Bronze)

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  • Regular price $2,599.99

Currently Out of Stock!

The MC6-SD Pistol is the end result of a lengthy R&D program in partnership with 3 large Law Enforcement Agencies.  The goal was to develop a weapon system that was chambered in .300 Black Out, highly concealable, sub MOA capable, utterly reliable with super sonic/subsonic ammunition and able to facilitate the use of a suppressor with no change in performance.  Oh, and the barrel length had to be less than 6.5".  

Utilizing a Law Tactical folder and available as a Short Barreled Rifle (SBR) or as a pistol featuring the Gear head Works MOD 1 Tail hook.  This highly versatile platform is 15" long with the brace/stock folded and easily fits into a Vertx EDC Transit Sling Bag which is shipped with the gun.  

If your looking for the smallest most compact rifle caliber platform on the market then look no further than the MC6-SD.  Available in a wide variety of colors/patterns.  If you don't see what you want here please give Jonathan a call at 601-482-3610.  He can handle your questions as well as special orders. 


  • LOWER RECEIVER:Modern Carbine™ Lower Receivers are Billet CNC Machined from 7075-T6 Aluminum with Integral Trigger Guard and Wire EDM Flared Magazine Well. Features Type III Hard Coat Anodizing.
  • UPPER RECEIVER:Modern Carbine™ Upper Receivers are Billet CNC Machined from 7075-T6 Aluminum with Caliber Markings Deeply Machined on the Left Side. Proprietary Barrel Extension Sleeve Eliminates Rail to Barrel Nut Contact thus Increasing Overall Accuracy Potential and Reducing Heat Transfer. Features Type III Hard Coat Anodizing with Customer's Choice of Cerakote.
  • BARREL:  6" .300BLK Modern Carbine™ Barrels are CNC Machined from CMV 4150+ Steel. Features Melonite Coating, Button Rifling, and NiB Coated Barrel Extension
  • GAS SYSTEM:Modern Carbine™ Gas System Feature a Low Profile Gas Block CNC Machined from 4140 Hardened Steel with QPQ Coating. Direct Impingement.
  • MUZZLE DEVICE:Griffin Armament Suppressor-Ready Mounts (Flash Hider / Compensators / Brakes) Come Standard on all MC6's.
  • BOLT CARRIER GROUP:Modern Carbine™ MC6 Bolt Carrier Groups Feature an Enhanced Profile, Black Nitrate Coating, Properly Staked Gas Key, Shot Peened Bolt that is MPI Tested. Designed to Reduce Carrier Tilt and Increased Accuracy by Strategically Locating Key Bearing Surfaces.
  • BUFFER SYSTEM:Modern Carbine™ Buffers are Precision CNC Machined. They are Designed to Reduce Recoil by Softening and Dampening the Felt Recoil Impulse. Finely Tuned Weight Optimized for Suppressed Shooting. Blue Anodizing. Features Enhanced Buffer Spring Made from 17-7 Stainless. Black Oxide Coated and Dry Moly Lubed.
  • SIGHTS: Sold Separately
  • RAIL SYSTEM:Modern Carbine™ Rail System Billet CNC Machined from 6061-T6 Aluminum. Type III Hard Coat Anodizing with Customer's Choice of Cerakote. Features M-LOK Technology and Continuous Uninterrupted Top Picatinnay Rail Base Designed to Integrate with our Proprietary MC6 Upper Receiver. 
  • RECEIVER EXTENSION:Modern Carbine™ Receivers Extensions are Billet CNC Machined from 7075-T6 Aluminum. Six Position, Mil-Spec Dimension Receiver Extension Featuring 7 Ports to Allow Excess Gas, Water, Oil, and Debris to Leave the Operating System (OTB), Reducing Pressure and Associated Danger to both Host Firearm and Shooter, While Enhancing Reliability. Comes Standard with Enhanced Castle Nut and QD End Plate.
  • STOCK: PISTOL GearHead Works Gen 1 BRACE with Law Tactical Folder.
  • PISTOL GRIP:Magpul MOE+ Grip.
  • TRIGGER ASSEMBLY:Modern Carbine™ Single Stage 3.5lb Trigger / ALG Defense ACT Trigger
  • WARRANTY:All Modern Carbine™ Rifles and Firearms Parts Feature a Lifetime Warranty.
  • FINISH: Custom Distressed Tungsten
  • CASE: Vertx Transit Sling Bag