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Noveske 300 AAC Blackout 16" Upper Receiver

  • Noveske 300 AAC Blackout 16" Upper Receiver
  • Noveske LO-PRO 300 AAC Blackout (only upper receiver is included - no sights)
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Product Description

Noveske LO-PRO Upper .300 Blackout

The LO-PRO complete upper receiver with 300 AAC Blackout barrel has 1 in 7" twist polygonal rifling with beadblasted finish on the barrel. The barrel is designed for subsonic suppressed or supersonic unsuppressed and will lock back on the last round utilizing 220 and 208 grain ammo when using a sound suppressor. The muzzle of the barrel is threaded for 5/8"X24 and a low profile gas block is pinned to the barrel.

The subsonic 300 BLK ammunition is more susceptible to a malfunction due to carbon fouling and adverse conditions than supersonic ammunition. The barrel is tuned to operate correctly with the back pressure provided by the AAC 762-SDN-6 using an H2 buffer, or a Surefire 762K suppressor and an H buffer. In the development of this barrel, we found evidence that the suppressor may require a symmetrical baffle stack as found in the AAC Cyclone K, 762-SDN6, and Surefire 762K suppressor.

Suppressors which cause off axis turbulence, such as those with K type baffles, may cause baffle strikes and/or point of impact shift, and may damage your suppressor. Noveske Rifleworks LLC will not be responsible for damage or injury under ANY circumstances. Consult you suppressor manufacturer to determine if your suppressor is suitable for this application.

The Upper Receiver for the LO-PRO 300 BLK is a forged VLTOR MUR that has an anti-rotation interface with the handguard, which is a 11" free float rail system with 1913 Picatinny rails.

Included with LO-PRO Upper Receiver

  • Novske Gun Fighter Charging Handle
  • Pistol Length Gas System
  • Extended Feed Ramps
  • Blackout 51T Flash Suppressor pinned to 16" OAL
  • Auto Carrier with staked carrier key
  • Shot peened and MP Tested bolt


Weight: 4.75lbs
Overall Legth: 16"
Test fired with Black Hills Ammo
Mid-Length Gas System
Made in the USA



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