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300 BLACKOUT AR-15 Upper Receiver Assemblies featuring Milspec 7075 T6 Aluminum Upper Receivers, 416R Stainless Steel or Melonite / Nitride 4150 CMV Barrels, Low Profile Gas Blocks, M-LOK or Keymod Handguards, Flash hiders, Muzzle Brakes, BCGs, Bolt Carrier Groups - Nitride or Nickel Boron

300 Blackout

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  1. Combo Sale - 16 inch AR-15 300 Blackout M-LOK Upper + 7.5 inch 300 Blackout Upper
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    Combo Sale - 16 inch AR-15 300 Blackout Melonite Upper + 7.5 inch 300 Blackout Melonite Upper
    Rating:
    93%
    1 Review
    Special Price $579.99 $799.99
  2. 5 inch AR-15 300 Blackout Melonite M-LOK Upper w/Can
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    5 inch AR-15 300 Blackout Melonite M-LOK Upper w/Can
    Rating:
    100%
    1 Review
    Special Price $349.99 $489.99
  3. 6 inch AR-15 300 BLACKOUT Pistol M-LOK Melonite Upper w/Can
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    6 inch AR-15 300 BLACKOUT Pistol M-LOK Melonite Upper w/Can
    Rating:
    87%
    1 Review
    Special Price $379.99 $499.99
  4. 6 inch AR-15 300 BLACKOUT Pistol M-LOK Melonite Upper
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    6 inch AR-15 300 BLACKOUT Pistol M-LOK Melonite Upper
    Rating:
    100%
    1 Review
    Special Price $349.99 $459.99
  5. 7.5 inch AR-15 AR15 AR 300 Blackout M-LOK Pistol Length Melonite Upper w/Can
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    7.5 inch AR-15 300 BLACKOUT Pistol M-LOK Melonite Upper w/Can
    Rating:
    100%
    2 Reviews
    Special Price $319.99 $459.99
  6. 7.5 inch AR-15 300 BLACKOUT Pistol M-LOK Melonite Upper
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    7.5 inch AR-15 300 BLACKOUT Pistol M-LOK Melonite Upper
    Rating:
    95%
    5 Reviews
    Special Price $289.99 $419.99
  7. 8.5 inch AR-15 300 BLACKOUT Pistol Keymod M-LOK Melonite Upper w/Flash Can with optional BCG/CH
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    8.5 inch AR-15 300 BLACKOUT Pistol M-LOK Melonite Upper w/Can
    Rating:
    97%
    5 Reviews
    Special Price $329.99 $459.99
  8. 8.5 inch AR-15 AR15 300 BLACKOUT Pistol M-LOK Keymod Melonite Upper
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    8.5 inch AR-15 300 BLACKOUT Pistol M-LOK Melonite Upper
    Rating:
    93%
    4 Reviews
    Special Price $299.99 $439.99
  9. 9 inch AR-15 AR15 AR 300 Blackout M-LOK Pistol Length Melonite Upper w/Can
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    9 inch AR-15 300 BLACKOUT Pistol M-LOK Melonite Upper w/Can
    Rating:
    93%
    1 Review
    Special Price $369.99 $509.99
  10. 9 inch AR-15 300 BLACKOUT Pistol Keymod M-LOK Melonite Upper
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    9 inch AR-15 300 BLACKOUT Pistol M-LOK Melonite Upper
    Rating:
    93%
    1 Review
    Special Price $339.99 $479.99
  11. 12.5 inch AR-15 300 Blackout Melonite M-LOK Upper
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    12.5 inch AR-15 300 Blackout Melonite M-LOK Upper
    Rating:
    100%
    1 Review
    Special Price $349.99 $479.99
  12. 12.5 inch AR-15 300 Blackout M-LOK Melonite Upper w/Can
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    12.5 inch AR-15 300 Blackout M-LOK Melonite Upper w/Can
    Special Price $379.99 $519.99
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