MPN: R0027 / R0445 / R0446
- Caliber: .300 Blackout
- Finish: Radian Black, Flat Dark Earth, or Radian OD
- Upper Receiver: Billet Machined 7075-T6 Upper Receiver
- Handguard: Proprietary Extended Aluminum M-LOK Handguard and Integrated Upper/Handguard Stainless Steel Anti-Rotation Pin
- M4 Feed Ramps: Yes, Polished Crown and Feed Ramps
- Muzzle Device: Dead Air Flash Hider (Pin and weld ready)
- Barrel: 9" 1:7 Match Grade 416R Stainless Steel Barrel
- Muzzle Thread Pattern: 5/8"-24 TPI
- Gas Block: .750" Low-Profile Gas Block
- Gas Tube: Pistol Length Gas Tube
- Bolt Carrier Group: Radian Enhanced Black Nitride M16 Bolt Carrier Group
- Charging Handle: Radian Raptor-SD Suppressor-Optimized Ambidextrous Charging Handle
*This upper receiver assembly has a barrel that is shorter than 16". This upper is only for use on AR pistol lower receivers and NFA registered Short-Barreled Rifle (SBR) lower receivers. All NFA laws apply!
- Weight: ~3.7 lbs.
- Length: ~18.31"
- AR-15 lower receiver
- 1x Radian Model 1 Complete Upper (9" 300BLK Barrel)
- 1x Radian Raptor-SD Suppressor-Optimized Ambidextrous Charging Handle
- 1x Radian Enhanced Black Nitride M16 Bolt Carrier Group
300 blackout is a very capable round, with a heavier projectile; it is much more effective for hunting big game at shorter ranges and has all the stopping power you need for a self-defense caliber.
If you want to build an AR-15 chambered in 300 Blackout, you should look at the Radian Weapons Model 1 300BLK Upper. It includes the upper receiver, bolt carrier group, charging handle, gas system, handguard, and barrel, which are made to work perfectly with each other for an accurate, reliable, and smooth shooting rifle.
With its 9-inch barrel, the Radian Model 1 Complete Upper makes a very maneuverable rifle, pair it with the high stopping power of the 300 blackout caliber to the equation, and you have a very capable personal defense weapon.
Made with Accuracy as a Priority
The Radian Weapons Model 1 300BLK Upper is made with accuracy and performance in mind. Every element of the receiver is made to maximize the weapon's accuracy. It has a match-grade 416R Stainless Steel barrel with a polished crown and feed ramps for reliability and precision. The Radian Weapons Model 1 300BLK upper can easily get Sub-MOA accuracy with match-grade ammunition.
The barrel also has a Dead Air Flash Hider on it and a 5/8"-24 thread pitch, which allows you to install any muzzle device or suppressor on your weapon. In fact, this upper receiver comes with the Radian Raptor-SD ambidextrous charging handle, which is suppressor optimized
Optimized Gas System
The Radian Weapons Model 1 300BLK upper features an optimized gas system that works perfectly with the 300 Blackout caliber and the small 9-inch barrel. It has a low-profile gas block, and a pistol-length gas tube, which is ideal for the smooth operation of this short and capable firearm, which is perfect for self-defense.
Modern and Modular
The Radian Weapons Model 1 300BLK upper comes with a modern M-LOK handguard, which allows you to mount all kinds of accessories to your rifle, increasing its capability and effectiveness. It has M-LOK slots on both sides and the bottom and features a full-length Picatinny rail on top.
The handguard is made from lightweight but super-durable aluminum and is mounted on the receiver with a solid stainless steel anti-rotation pin. Therefore, the handguard will not move when the weapon is fired, and the accessories mounted on it will maintain their position.
High-End Upper Receiver
Radian Weapons Model 1 300 BLK upper receiver is made from billet machined 7075-T6 aluminum and has a Radian Black finish. In addition, it has a port cover and a lightweight forward assist for added reliability. The Radian Weapons Model 1 300 BLK upper receiver also features M4 feed ramps, allowing more reliable ammunition feeding.
The Radian Weapons Model 1 300 BLK upper receiver also comes with a Radian Enhanced Black Nitride M16 Bolt Carrier Group for reliable and smooth operation.