Radical Firearms .300 BLK Barreled AR-15 Upper Receiver - 16" - Primary Arms Exclusive

Manufactured by Radical Firearms
SKU: PABU16-300
MPN: PABU16-300
Manufactured by Radical Firearms
2 Reviews

Out of Stock

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NOTE: This barreled upper does not include a bolt carrier group or charging handle.

The Radical Firearms 16” 300 BLK Barreled Upper is a law enforcement grade, drop-in solution for your next AR build. Crafted with quality materials and covered by Radical’s lifetime warranty, this MIL-SPEC upper receiver provides an outstanding solution for any budget. Arrives at your door with the hard work done. Complete this build with your favorite lower receiver, bolt carrier group, charging handle, and sights, then head for the range!

Includes the Radical Firearms/Primary Arms Exclusive M-LOK Handguard. This tough, durable rail offer a slim, modular profile with large cooling holes along the rail reduce weight and aid in rapid cooling. Take advantage of M-LOK positions along the 3, 6, and 9 o’clock of the rail for all your favorite gear. An uninterrupted M1913 Picatinny top rail offers space to mount optics, sights, and other accessories with ease.

  • 16" 41V50 chrome moly vanadium steel barrel with Melonite finish
  • Chambered in 300 BLK with 1:8 twist rate
  • A2 Flash Hider
  • 15" free float Radical Firearms/ Primary Arms Exclusive M-LOK Rail
  • Made in the U.S.A. in Stafford, Texas!
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AssemblyBarreled Assemblies
Barrel CoatingMelonite
Barrel ContourSOCOM
Barrel Length16
Barrel LiningSalt Bath Nitride
Barrel Material41V50 Chrome Moly Vanadium Steel
BrandRadical Firearms
Caliber Gauge300 Blackout
Gas System LengthPistol
Gas System TypeDirect Impingement
Handguard15 in Primary Arms Exclusive M-LOK Rail
Muzzle DeviceA2 Flash Hider
Thread Pattern5/8 X 24
Twist Rate1:8

Ratings & Reviews

2 reviews

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300 BLK Out Barrel

by -

Just bought this barrel but still need a scope to use it.

Good upper from a great mfgr. and a reliable quality website.

by -

Glad this one came up on sale and snatched it up, added the BCG and away we go. Good hunting in my future.