- 300 AAC Blackout


Don't see the Barreled Upper you want? We can build it for you!
Simply follow the 6 easy steps below!

1. Choose your Receiver.
2. Choose your Hand Guard.
3. Choose your Barrel.
4. Choose your Gas Block and Gas Tube. (Not required on 22lr or 9mm)
If using a low profile gas block, we only use item #750SLPGB - Steel Melonite version on builds.
5. Choose your Muzzle Device.
6. Send us a contact request with all of the part numbers. We will review your items to ensure
fitment and send you a quote for your custom build! It's that simple!



1 - 43 of 43 items
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16" 300 BLK BARRELED UPPER - YANKEE HILL 9.675" DIAMOND - BLEM 16" 300 BLACKOUT BARRELED UPPER - VECTOR 15" SERIES - BLEM 16" 300 BLACKOUT BARRELED UPPER - MAS NERO 15" M-LOK RAIL - BLEM 16" 300 BLACKOUT BARRELED UPPER - MAS NERO 12.62" M-LOK RAIL
16" 300 BLK BARRELED UPPER - YANKEE HILL 9.675" DIAMOND - BLEM16" 300 BLACKOUT BARRELED UPPER - VECTOR 15" SERIES - BLEM16" 300 BLACKOUT BARRELED UPPER - MAS NERO 15" M-LOK RAIL - BLEM16" 300 BLACKOUT BARRELED UPPER - MAS NERO 12.62" M-LOK RAIL

$404.99

$244.99

$364.99

$189.99

(2)

$399.99

$219.99

$389.99

$279.99

(1)
16" 300 BLACKOUT BARRELED UPPER - MAS NERO 15" M-LOK RAIL 16" 300 BLACKOUT BARRELED UPPER - MIL SPEC BARREL NUT 16" 300 BLACKOUT BARRELED UPPER - VECTOR 9.75" SERIES 16" 300 BLACKOUT BARRELED UPPER - OMEGA 9.75" SERIES
16" 300 BLACKOUT BARRELED UPPER - MAS NERO 15" M-LOK RAIL16" 300 BLACKOUT BARRELED UPPER - MIL SPEC BARREL NUT16" 300 BLACKOUT BARRELED UPPER - VECTOR 9.75" SERIES16" 300 BLACKOUT BARRELED UPPER - OMEGA 9.75" SERIES

$399.99

$289.99

$294.99

$224.99

(8)

$339.99

$234.99

(13)

$339.99

$234.99

(11)
16" 300 BLACKOUT BARRELED UPPER - RIDGELINE 9.75" KEYMOD 16" 300 BLACKOUT BARRELED UPPER - BA GEN2 9.75" SERIES 16" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 9.29" KR7 KEYMOD 16" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 9.675" DIAMOND
16" 300 BLACKOUT BARRELED UPPER - RIDGELINE 9.75" KEYMOD16" 300 BLACKOUT BARRELED UPPER - BA GEN2 9.75" SERIES16" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 9.29" KR7 KEYMOD16" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 9.675" DIAMOND

$349.99

$244.99

(1)

$349.99

$249.99

(1)

$399.99

$299.99

$404.99

$294.99

(1)
16" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 9.20" TODD JARRETT 16" 300 BLACKOUT BARRELED UPPER - DIAMONHEAD 10.25" VRS T KEYMOD 16" 300 BLACKOUT BARRELED UPPER - TROY BATTLERAIL ALPHA 9″ 16" 300 BLACKOUT BARRELED UPPER - TROY BATTLERAIL ALPHA 11″
16" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 9.20" TODD JARRETT16" 300 BLACKOUT BARRELED UPPER - DIAMONHEAD 10.25" VRS T KEYMOD16" 300 BLACKOUT BARRELED UPPER - TROY BATTLERAIL ALPHA 9″16" 300 BLACKOUT BARRELED UPPER - TROY BATTLERAIL ALPHA 11″

$434.99

$314.99

(1)

$439.99

$294.99

(1)

$449.99

$334.99

$459.99

$339.99

16" 300 BLKOUT BARRELED UPPER TROY BATTLERAIL ALPHA 11″ W/ SIGHT 16" 300 BLACKOUT BARRELED UPPER - TROY BATTLERAIL BRAVO 11″ 16" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 12.52" KNURLED 16" 300 BLACKOUT BARRELED UPPER - VECTOR 12.5" SERIES
16" 300 BLKOUT BARRELED UPPER TROY BATTLERAIL ALPHA 11″ W/ SIGHT16" 300 BLACKOUT BARRELED UPPER - TROY BATTLERAIL BRAVO 11″16" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 12.52" KNURLED16" 300 BLACKOUT BARRELED UPPER - VECTOR 12.5" SERIES

$479.99

$349.99

$459.99

$349.99

$339.99

$249.99

(5)

$349.99

$239.99

(10)
16" 300 BLACKOUT BARRELED UPPER - OMEGA 12.5" SERIES 16" 300 BLACKOUT BARRELED UPPER - RIDGELINE 12.5" KEYMOD 16" 300 BLACKOUT BARRELED UPPER - BA GEN2 12.5" SERIES 16" 300 BLACKOUT BARRELED UPPER - UTG SUPER SLIM 13" M-LOK
16" 300 BLACKOUT BARRELED UPPER - OMEGA 12.5" SERIES16" 300 BLACKOUT BARRELED UPPER - RIDGELINE 12.5" KEYMOD16" 300 BLACKOUT BARRELED UPPER - BA GEN2 12.5" SERIES16" 300 BLACKOUT BARRELED UPPER - UTG SUPER SLIM 13" M-LOK

$349.99

$239.99

(5)

$359.99

$249.99

(5)

$359.99

$254.99

(3)

$424.99

$314.99

16" 300 BLACKOUT BARRELED UPPER - UTG SUPER SLIM 13" M-LOK FDE 16" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 12.6" KR7 KEYMOD 16" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 12.58" DIAMOND 16" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 12.5" TJ SERIES
16" 300 BLACKOUT BARRELED UPPER - UTG SUPER SLIM 13" M-LOK FDE16" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 12.6" KR7 KEYMOD16" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 12.58" DIAMOND16" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 12.5" TJ SERIES

$434.99

$324.99

$419.99

$314.99

$434.99

$314.99

(2)

$444.99

$324.99

(14)
16" 300 BLACKOUT BARRELED UPPER - SEEKINS NOXS M-LOK 12.87" RAIL 16" 300 BLACKOUT BARRELED UPPER - TROY BATTLERAIL ALPHA 13″ 16" 300 BLACKOUT UPPER - GEISSELE SUPER MODULAR MK4 13" M-LOK 16" 300 BLACKOUT BARRELED UPPER - OMEGA 15" SERIES
16" 300 BLACKOUT BARRELED UPPER - SEEKINS NOXS M-LOK 12.87" RAIL16" 300 BLACKOUT BARRELED UPPER - TROY BATTLERAIL ALPHA 13″16" 300 BLACKOUT UPPER - GEISSELE SUPER MODULAR MK4 13" M-LOK16" 300 BLACKOUT BARRELED UPPER - OMEGA 15" SERIES

$449.99

$329.99

$469.99

$349.99

(1)

$529.99

$429.99

$359.99

$244.99

(4)
16" 300 BLACKOUT BARRELED UPPER - VECTOR 15" SERIES 16" 300 BLACKOUT BARRELED UPPER - BA GEN2 15" SERIES 16" 300 BLACKOUT BARRELED UPPER - UTG SUPER SLIM 15" M-LOK 16" 300 BLACKOUT BARRELED UPPER - UTG SUPER SLIM 15" M-LOK FDE
16" 300 BLACKOUT BARRELED UPPER - VECTOR 15" SERIES16" 300 BLACKOUT BARRELED UPPER - BA GEN2 15" SERIES16" 300 BLACKOUT BARRELED UPPER - UTG SUPER SLIM 15" M-LOK16" 300 BLACKOUT BARRELED UPPER - UTG SUPER SLIM 15" M-LOK FDE

$359.99

$244.99

$369.99

$259.99

(8)

$439.99

$324.99

$449.99

$334.99

16" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 15" TJ SERIES 16" 300 BLACKOUT BARRELED UPPER - SEEKINS NOXS KEYMOD 15" RAIL 16" 300 BLACKOUT BARRELED UPPER SEEKINS MCSR V2 KEYMOD 15" RAIL 16" 300 BLACKOUT BARRELED UPPER - TROY BATTLERAIL ALPHA 15″
16" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 15" TJ SERIES16" 300 BLACKOUT BARRELED UPPER - SEEKINS NOXS KEYMOD 15" RAIL16" 300 BLACKOUT BARRELED UPPER SEEKINS MCSR V2 KEYMOD 15" RAIL16" 300 BLACKOUT BARRELED UPPER - TROY BATTLERAIL ALPHA 15″

$459.99

$344.99

(2)

$459.99

$339.99

$459.99

$344.99

(1)

$479.99

$359.99

(11)
16" 300 BLACKOUT BARRELED UPPER - TROY BATTLERAIL ALPHA 15″ FDE 16" 300 BLACKOUT BARRELED UPPER - UTG SUPER SLIM 17" M-LOK 16" 300 BLACKOUT BARRELED UPPER - UTG SUPER SLIM 17" M-LOK FDE
16" 300 BLACKOUT BARRELED UPPER - TROY BATTLERAIL ALPHA 15″ FDE16" 300 BLACKOUT BARRELED UPPER - UTG SUPER SLIM 17" M-LOK16" 300 BLACKOUT BARRELED UPPER - UTG SUPER SLIM 17" M-LOK FDE

$479.99

$359.99

$469.99

$344.99

$479.99

$354.99