16" 300 Blackout Complete Upper with Shaw Match Grade Stainless Barrel, BCG, Charging Handle and 15" M-LOK Rail
The 300 Blackout was designed to maximize performance from the AR-15 platform with both subsonic and supersonic ammunition. This 16" complete upper features a Shaw Match Grade 416R stainless steel HBAR barrel, pistol-length gas system, lightweight 15" free-float M-LOK handguard, Mil-Spec M16-profile bolt carrier group, and 7075 aluminum charging handle for exceptional accuracy, dependable reliability, and outstanding suppressor compatibility. Whether you're hunting, target shooting, or building a precision 300 Blackout rifle, this complete upper delivers premium performance.
Quick Glance:
Caliber: 300 Blackout
Platform: AR-15
Barrel Length: 16 inches
Barrel Manufacturer: Shaw Barrels
Barrel Grade: Match Grade
Barrel Material: 416R Stainless Steel
Barrel Profile: HBAR
Barrel Finish: Polished Stainless
Twist Rate: 1:7 Twist
Gas System: Pistol Length
Handguard Length: 15 inches
Handguard Type: Lightweight Free-Float M-LOK
Upper Receiver: Forged 7075-T6 Mil-Spec AR-15 Upper
Gas Block: .750" Low Profile Nitride
Muzzle Threads: 5/8x24
Muzzle Device: A2 Flash Hider with Crush Washer
Bolt Carrier Group: Included – Mil-Spec M16 Profile Nitride BCG
Charging Handle: Included – AR-15 Mil-Spec 7075 Aluminum
Headspace Checked: Yes – Manson GO and NO-GO Gauges
Assembly: Fully Assembled and Ready to Install
Full Details:
Upper Receiver:
AR-15 Mil-Spec forged aluminum upper receiver with forward assist and dust cover assembly installed. Forged from durable 7075-T6 aluminum and protected with a matte black MIL-A-8625 Type III, Class 2 hard coat anodized finish. The 7075-T6 construction provides greater strength than commonly used 6061 billet aluminum.
Barrel:
Shaw Match Grade 16" 300 Blackout barrel manufactured from premium 416R stainless steel with an HBAR profile, polished stainless finish, and 1:7 twist rate. Features 5/8x24 muzzle threads, a standard AR-15 barrel extension with 30 Cal. feed ramps, and is professionally headspaced using Manson GO and NO-GO gauges. The pistol-length gas system is optimized for dependable cycling with both subsonic and supersonic ammunition, making this complete upper an excellent choice for suppressed and unsuppressed shooting.
Handguard:
Premium lightweight 15" extended rifle-length narrow-profile AR-15 free-float M-LOK handguard. M-LOK slots along the 3, 6, and 9 o'clock positions provide ample room for mounting optics, bipods, lights, grips, sling attachments, and other M-LOK compatible accessories. Machined from 6061 aircraft-grade aluminum and protected with a matte black MIL-A-8625 Type III, Class 2 hard coat anodized finish.
Gas System:
Pistol-length gas system paired with a .750" low-profile gas block featuring a durable nitride finish. This gas system is optimized for reliable cycling with both subsonic and supersonic 300 Blackout ammunition while delivering smooth operation in suppressed and unsuppressed configurations.
Muzzle Device:
A2 flash hider installed with a crush washer to help reduce visible muzzle flash while protecting the muzzle threads.
Bolt Carrier Group:
Mil-Spec M16-profile bolt carrier group with a durable nitride finish. Features a 9310 steel magnetic particle inspected (MPI) bolt and tool steel extractor for dependable reliability. The bolt is professionally headspaced with the barrel using Manson GO and NO-GO gauges to help ensure proper fit and reliable performance.
Charging Handle:
AR-15 Mil-Spec charging handle precision machined from lightweight and durable 7075 aluminum for dependable operation and long service life.
About Shaw Barrels:
Shaw Custom Barrels, also known as E.R. Shaw, has been manufacturing precision rifle barrels since 1913. Their Match Grade barrels are trusted by hunters, competitive shooters, gunsmiths, and custom rifle builders for exceptional craftsmanship, consistent accuracy, and dependable long-term performance.
Headspace Checked:
Every complete upper is professionally headspaced using Manson GO and NO-GO gauges to help verify proper chamber dimensions, dependable function, and outstanding accuracy.
Ready to Install:
This complete upper arrives fully assembled with the bolt carrier group and charging handle installed. It is ready to attach to any standard Mil-Spec dimension AR-15 lower receiver.
Important:
This product is not a firearm and will be shipped directly to you. No FFL transfer is required.
Ballistic Barn AR-15 complete uppers are American made and machined by manufacturers specializing in Mil-Spec AR-15 components. Every complete upper is professionally headspaced using Manson GO and NO-GO gauges to help ensure proper fit, dependable function, and outstanding accuracy.
