- 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 - 54 of 54 items
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7.5" 300 BLACKOUT BARRELED UPPER - RIDGELINE 9.25" KEYMOD - BLEM 10.5" 300 BLACKOUT BARRELED UPPER - BA GEN2 9.75" - BLEM 8.5" 300 BLACKOUT BARRELED UPPER - MIL SPEC BARREL NUT 8.5" 300 BLACKOUT BARRELED UPPER - VECTOR 7.2" SERIES
7.5" 300 BLACKOUT BARRELED UPPER - RIDGELINE 9.25" KEYMOD - BLEM10.5" 300 BLACKOUT BARRELED UPPER - BA GEN2 9.75" - BLEM8.5" 300 BLACKOUT BARRELED UPPER - MIL SPEC BARREL NUT8.5" 300 BLACKOUT BARRELED UPPER - VECTOR 7.2" SERIES

$379.99

$219.99

$394.99

$199.99

(3)

$334.99

$219.99

(11)

$369.99

$234.99

(2)
8.5" 300 BLACKOUT BARRELED UPPER - OMEGA 7.2" SERIES 8.5" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 7.23" KNURLED 8.5" 300 BLACKOUT BARRELED UPPER - RIDGELINE 7.2" KEYMOD 8.5" 300 BLACKOUT BARRELED UPPER - BA GEN2 7.25" SERIES
8.5" 300 BLACKOUT BARRELED UPPER - OMEGA 7.2" SERIES8.5" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 7.23" KNURLED8.5" 300 BLACKOUT BARRELED UPPER - RIDGELINE 7.2" KEYMOD8.5" 300 BLACKOUT BARRELED UPPER - BA GEN2 7.25" SERIES

$369.99

$234.99

(15)

$374.99

$249.99

(6)

$379.99

$239.99

(3)

$379.99

$244.99

(1)
8.5" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 7.29" DIAMOND 8.5" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 7.29" KR7 KEYMOD 8.5" 300 BLACKOUT BARRELED UPPER - TROY BATTLERAIL ALPHA 7″ 8.5" 300 BLACKOUT BARRELED UPPER - VECTOR 9.75" SERIES
8.5" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 7.29" DIAMOND8.5" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 7.29" KR7 KEYMOD8.5" 300 BLACKOUT BARRELED UPPER - TROY BATTLERAIL ALPHA 7″8.5" 300 BLACKOUT BARRELED UPPER - VECTOR 9.75" SERIES

$439.99

$294.99

(7)

$429.99

$299.99

(1)

$484.99

$334.99

(4)

$399.99

$254.99

8.5" 300 BLACKOUT BARRELED UPPER - OMEGA 9.75" SERIES 8.5" 300 BLACKOUT BARRELED UPPER - RIDGELINE 9.75" KEYMOD 8.5" 300 BLACKOUT BARRELED UPPER - BA GEN2 9.75" SERIES 8.5" 300 BLACKOUT BARRELED UPPER - GTLKM 10" - KEYMOD
8.5" 300 BLACKOUT BARRELED UPPER - OMEGA 9.75" SERIES8.5" 300 BLACKOUT BARRELED UPPER - RIDGELINE 9.75" KEYMOD8.5" 300 BLACKOUT BARRELED UPPER - BA GEN2 9.75" SERIES8.5" 300 BLACKOUT BARRELED UPPER - GTLKM 10" - KEYMOD

$399.99

$254.99

$409.99

$259.99

(8)

$409.99

$264.99

(3)

$419.99

$269.99

(3)
8.5" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 9.675" DIAMOND 8.5" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 9.29" KR7 KEYMOD 8.5" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 9.29" MR7 M-LOK 8.5" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 9.2" TODD JARRETT
8.5" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 9.675" DIAMOND8.5" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 9.29" KR7 KEYMOD8.5" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 9.29" MR7 M-LOK8.5" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 9.2" TODD JARRETT

$464.99

$309.99

(7)

$459.99

$314.99

(3)

$459.99

$314.99

$494.99

$329.99

(3)
8.5" 300 BLACKOUT BARRELED UPPER - TROY BATTLERAIL ALPHA 9″ 8.5" 300 BLACKOUT BARRELED UPPER - TROY M-LOK 9″ 8.5" 300 BLACKOUT BARRELED UPPER SEEKINS MCSR V2 KEYMOD 10" RAIL 8.5" 300 BLACKOUT BARRELED UPPER - SPIKES LW BAR2 9" RAIL
8.5" 300 BLACKOUT BARRELED UPPER - TROY BATTLERAIL ALPHA 9″8.5" 300 BLACKOUT BARRELED UPPER - TROY M-LOK 9″8.5" 300 BLACKOUT BARRELED UPPER SEEKINS MCSR V2 KEYMOD 10" RAIL8.5" 300 BLACKOUT BARRELED UPPER - SPIKES LW BAR2 9" RAIL

$509.99

$349.99

(2)

$509.99

$349.99

$499.99

$339.99

(2)

$564.99

$399.99

8.5" 300 BLACKOUT BARRELED UPPER - SPIKES LW BAR2 10″ RAIL 8.5" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 12" TODD JARRETT 10.5" 300 BLACKOUT BARRELED UPPER - MIL SPEC BARREL NUT 10.5" 300 BLACKOUT BARRELED UPPER - OMEGA 7.2" SERIES
8.5" 300 BLACKOUT BARRELED UPPER - SPIKES LW BAR2 10″ RAIL8.5" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 12" TODD JARRETT10.5" 300 BLACKOUT BARRELED UPPER - MIL SPEC BARREL NUT10.5" 300 BLACKOUT BARRELED UPPER - OMEGA 7.2" SERIES

$574.99

$409.99

(1)

$499.99

$339.99

(1)

$334.99

$219.99

(8)

$369.99

$229.99

(6)
10.5" 300 BLACKOUT BARRELED UPPER - VECTOR 9.75" SERIES 10.5" 300 BLACKOUT BARRELED UPPER - OMEGA 9.75" SERIES 10.5" 300 BLACKOUT BARRELED UPPER - RIDGELINE 9.75" KEYMOD 10.5" 300 BLACKOUT BARRELED UPPER - BA GEN2 9.75" SERIES
10.5" 300 BLACKOUT BARRELED UPPER - VECTOR 9.75" SERIES10.5" 300 BLACKOUT BARRELED UPPER - OMEGA 9.75" SERIES10.5" 300 BLACKOUT BARRELED UPPER - RIDGELINE 9.75" KEYMOD10.5" 300 BLACKOUT BARRELED UPPER - BA GEN2 9.75" SERIES

$379.99

$234.99

(3)

$379.99

$234.99

(13)

$389.99

$244.99

(1)

$389.99

$254.99

(4)
10.5" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 9.675" DIAMOND 10.5" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 9.29" KR7 KEYMOD 10.5" 300 BLACKOUT BARRELED UPPER YANKEE HILL 9.20" TODD JARRETT 10.5" 300 BLACKOUT BARRELED UPPER - TROY BATTLERAIL ALPHA 9″
10.5" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 9.675" DIAMOND10.5" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 9.29" KR7 KEYMOD10.5" 300 BLACKOUT BARRELED UPPER YANKEE HILL 9.20" TODD JARRETT10.5" 300 BLACKOUT BARRELED UPPER - TROY BATTLERAIL ALPHA 9″

$444.99

$299.99

(12)

$439.99

$304.99

$474.99

$319.99

(5)

$489.99

$339.99

(7)
10.5" 300 BLACKOUT BARRELED UPPER - TROY M-LOK 9″ 10.5" 300 BLACKOUT BARRELED UPPER - SPIKES LW BAR2 10″ RAIL 10.5" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 12.52" KNURLED 10.5" 300 BLACKOUT BARRELED UPPER - RIDGELINE 12.5" KEYMOD
10.5" 300 BLACKOUT BARRELED UPPER - TROY M-LOK 9″10.5" 300 BLACKOUT BARRELED UPPER - SPIKES LW BAR2 10″ RAIL10.5" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 12.52" KNURLED10.5" 300 BLACKOUT BARRELED UPPER - RIDGELINE 12.5" KEYMOD

$489.99

$339.99

$554.99

$399.99

(1)

$399.99

$264.99

(1)

$419.99

$264.99

10.5" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 12.6" KR7 KEYMOD 10.5" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 12.6" MR7 M-LOK 10.5" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 12.58" DIAMOND 10.5" 300 BLACKOUT BARRELED UPPER YANKEE HILL 12.5" TODD JARRET
10.5" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 12.6" KR7 KEYMOD10.5" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 12.6" MR7 M-LOK10.5" 300 BLACKOUT BARRELED UPPER - YANKEE HILL 12.58" DIAMOND10.5" 300 BLACKOUT BARRELED UPPER YANKEE HILL 12.5" TODD JARRET

$479.99

$329.99

$479.99

$329.99

$494.99

$329.99

$499.99

$339.99

10.5" 300 BLACKOUT BARRELED UPPER - TROY BATTLERAIL ALPHA 11″ 10.5" 300 BLACKOUT BARRELED UPPER - TROY M-LOK 11″ 10.5" 300 BLACKOUT BARRELED UPPER SEEKINS MCSR V2 KEYMOD 12" 14.5" 300 BLACKOUT BARRELED UPPER - MIL SPEC BARREL NUT
10.5" 300 BLACKOUT BARRELED UPPER - TROY BATTLERAIL ALPHA 11″10.5" 300 BLACKOUT BARRELED UPPER - TROY M-LOK 11″10.5" 300 BLACKOUT BARRELED UPPER SEEKINS MCSR V2 KEYMOD 12"14.5" 300 BLACKOUT BARRELED UPPER - MIL SPEC BARREL NUT

$519.99

$354.99

(1)

$519.99

$359.99

(1)

$509.99

$349.99

$334.99

$224.99

(3)
14.5" 300 BLACKOUT BARRELED UPPER - OMEGA 7.2" SERIES 14.5" 300 BLACKOUT BARRELED UPPER - RIDGELINE 12.5" KEYMOD 14.5" 300 BLACKOUT BARRELED UPPER - BA GEN2 12.5" SERIES 14.5" 300 BLACKOUT BARRELED UPPER - RIDGELINE 15" KEYMOD
14.5" 300 BLACKOUT BARRELED UPPER - OMEGA 7.2" SERIES14.5" 300 BLACKOUT BARRELED UPPER - RIDGELINE 12.5" KEYMOD14.5" 300 BLACKOUT BARRELED UPPER - BA GEN2 12.5" SERIES14.5" 300 BLACKOUT BARRELED UPPER - RIDGELINE 15" KEYMOD

$369.99

$239.99

$399.99

$259.99

$399.99

$259.99

(1)

$429.99

$279.99

14.5" 300 BLACKOUT BARRELED UPPER - RIDGELINE 15" M-LOK 14.5" 300 BLACKOUT BARRELED UPPER - TROY BATTLERAIL ALPHA 15″
14.5" 300 BLACKOUT BARRELED UPPER - RIDGELINE 15" M-LOK14.5" 300 BLACKOUT BARRELED UPPER - TROY BATTLERAIL ALPHA 15″

$429.99

$279.99

$539.99

$374.99