Shop AR-15 300 Blackout Upper Assemblies online and save - For Sale

Shop by Brand

300 Blackout Uppers

Complete your build the right way with a dependable 300 Blackout upper from AR15 Elite. We offer 300 Blackout AR-15 uppers with different length barrels to fit your particular needs. 300 Blackout is one of the most popular calibers on the market because of its desirable subsonic versatility. We have you covered, shop now.

AR15 Elite

16" 300 Blackout AR-15 Upper Assembly | 1x8 CMV Parkerized Pistol Medium Barrel | Flash Hider | 15" MLOK Rail

MSRP:

Was:

Now: $229.99

Choose Options
AR15 Elite

8.5" 300 Blackout AR-15 Upper Assembly | 1x8 CMV Parkerized Carbine HBAR Barrel | Flash Hider | 7" MLOK Rail

MSRP:

Was:

Now: $199.99

Choose Options
AR15 Elite

8.5" 300 Blackout AR-15 Upper Assembly | 1x8 CMV Parkerized Carbine HBAR Barrel | Linear Compensator | 10" MLOK Rail

MSRP:

Was:

Now: $224.99

Choose Options

16" 300 Blackout AR-15 Upper Assembly | 1x8 CMV Parkerized Pistol Medium Barrel | Flash Hider | 15" MLOK Rail
16" 300 Blackout AR-15 Upper Assembly | 1x8 CMV Parkerized Pistol Medium Barrel | Flash Hider | 15" MLOK Rail Our AR15 Elite AR-15 uppers are American Made and machined by manufacturers of mil-spec AR-15 components. All barrels are...

MSRP:

Was:

Now: $229.99
Choose Options
8.5" 300 Blackout AR-15 Upper Assembly | 1x8 CMV Parkerized Carbine HBAR Barrel | Flash Hider | 7" MLOK Rail
8.5" 300 Blackout AR-15 Upper Assembly | 1x8 CMV Parkerized Carbine HBAR Barrel | Flash Hider | 7" MLOK Rail Our AR15 Elite AR-15 uppers are American Made and machined by manufacturers of mil-spec AR-15 components. All barrels are individually...

MSRP:

Was:

Now: $199.99
Choose Options
8.5" 300 Blackout AR-15 Upper Assembly | 1x8 CMV Parkerized Carbine HBAR Barrel | Linear Compensator | 10" MLOK Rail
8.5" 300 Blackout AR-15 Upper Assembly | 1x8 CMV Parkerized Carbine HBAR Barrel | Linear Compensator | 10" MLOK Rail Our AR15 Elite AR-15 uppers are American Made and machined by manufacturers of mil-spec AR-15 components. All barrels are...

MSRP:

Was:

Now: $224.99
Choose Options

Shop by Brand

300 Blackout Uppers

300 Blackout Uppers

AR15 Elite

16" 300 Blackout AR-15 Upper Assembly | 1x8 CMV Parkerized Pistol Medium Barrel | Flash Hider | 15" MLOK Rail

AR15 Elite

8.5" 300 Blackout AR-15 Upper Assembly | 1x8 CMV Parkerized Carbine HBAR Barrel | Flash Hider | 7" MLOK Rail

AR15 Elite

8.5" 300 Blackout AR-15 Upper Assembly | 1x8 CMV Parkerized Carbine HBAR Barrel | Linear Compensator | 10" MLOK Rail

16" 300 Blackout AR-15 Upper Assembly | 1x8 CMV Parkerized Pistol Medium Barrel | Flash Hider | 15" MLOK Rail

8.5" 300 Blackout AR-15 Upper Assembly | 1x8 CMV Parkerized Carbine HBAR Barrel | Flash Hider | 7" MLOK Rail

8.5" 300 Blackout AR-15 Upper Assembly | 1x8 CMV Parkerized Carbine HBAR Barrel | Linear Compensator | 10" MLOK Rail