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Radian AR-15 Model 1 Pistol Upper Receiver Assembly 300 AAC Blackout 8.7″ Barrel with M-LOK Handguard Black



Product Information

Cartridge 300 AAC Blackout (7.62x35mm)
Finish Black
Material Aluminum
Barrel Length 8.7 Inches
Threads 5/8″-24
Gas System Length Pistol
M4 Feed Ramps Yes
Upper Receiver Type A4 Flat-Top
Barrel Material Stainless Steel
Handguard Magpul M-LOK Handguard
Bolt Carrier Assembly Included Yes
Muzzle Device SilencerCo ASR Flash Hider/Suppressor Mount
Compatible With

Delivery Information

Shipping Weight

4.930 Pounds

Product Overview

The design philosophy behind the Radian Model 1 is simple: use the highest quality raw materials, most precise CNC machining equipment, and best components available to create a weapon that seamlessly blends form and function. Beyond quality and aesthetics, the Model 1 features fully ambidextrous controls, adding much-needed utility for both left and right handed shooters. Every Model 1 is assembled by hand, one at a time, by a trained gunsmith who inspects, test fires, and cleans the weapon to personally guarantee it meets the most rigid quality standards. No detail has gone overlooked, which is why the Model 1, like every Radian product, is guaranteed for life.



  • Sub-MOA Accuracy Guarantee w/ Black Hills Match Grade Ammunition
  • Billet Machined 7075-T6 Upper Receiver w/ M4 Feed Ramps
  • Proprietary Extended Aluminum Hand Guard w/ Magpul M-LOK Modular System and Integrated Upper/Hand Guard Stainless Steel Anti-Rotation Pin
  • Match Grade 416R Stainless Steel Barrel w/ Polished Crown and Feed Ramps, Chambered in 300 Blackout Threaded 5/8×24
  • Enhanced Black Nitride M16 Bolt Carrier Group
  • Lightweight Forward Assist
  • Radian Raptor-SD Suppressor-Optimized Ambidextrous Charging Handle
  • Direct Impingement Gas System
  • SilencerCo ASR Flash Hider/Suppressor Mount
WARNING: Cancer and Reproductive Harm –


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